It’s time to impress your guests with a delightful side dish that steals the show: Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel. This recipe is perfect for any gathering, from holiday feasts to casual family dinners. With its sweet, creamy filling topped with a crunchy streusel, it’s a true crowd-pleaser. You can prepare most of it ahead of time, making it both convenient and delicious.
Why You’ll Love This Recipe
- Deliciously Sweet: The combination of sweet potatoes and vegan marshmallows creates a mouthwatering flavor profile that everyone will love.
- Easy Preparation: With just a few simple steps, you can put together this casserole quickly, making it ideal for busy cooks.
- Versatile Dish: Perfect as a side for Thanksgiving or Sunday dinner, this casserole fits well into various cuisines and occasions.
- Make-Ahead Friendly: Prepare everything except the streusel in advance, saving you time on the day of your event.
- Family Favorite: Kids and adults alike will enjoy this comforting dish, thanks to its sweet flavors and gooey texture.
Tools and Preparation
Before you start making your Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel, gather your tools. Having everything ready will streamline the process.
Essential Tools and Equipment
- Large pot
- Mixing bowl
- Baking dish
- Whisk
- Measuring cups and spoons
- Potato masher
Importance of Each Tool
- Large pot: Ideal for boiling the sweet potatoes evenly, ensuring they are soft enough for mashing.
- Mixing bowl: Provides ample space for combining ingredients without spilling.
- Baking dish: A good quality baking dish helps achieve even cooking and enhances the final presentation of your casserole.

Ingredients
To make your Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel, gather the following ingredients:
For the Casserole
- 5 pounds sweet potatoes (peeled and cut into 1” pieces)
- 4 tablespoons unsalted butter (1/2 stick)
- 1/2 cup brown sugar
- 1/2 tsp salt
- 1 tsp pure vanilla extract
- 1.5 tsp ground cinnamon
- 1/4 tsp ground nutmeg
- 1/2 cup heavy cream
- 2 cups mini vegan marshmallows
For the Streusel Topping
- 1 cup all-purpose flour
- 1/4 tsp salt
- 1 tsp ground cinnamon
- 6 tbsp unsalted butter (room temperature)
- 1/4 cup dark brown sugar (packed)
How to Make Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel
Step 1: Prepare the Sweet Potatoes
Boil the sweet potatoes in a large pot of salted water until tender, about 15-20 minutes. Drain them well before proceeding to the next step.
Step 2: Mash the Sweet Potatoes
In a mixing bowl, combine the drained sweet potatoes with unsalted butter, brown sugar, salt, vanilla extract, ground cinnamon, ground nutmeg, and heavy cream. Use a potato masher or whisk to blend until smooth.
Step 3: Add Vegan Marshmallows
Fold in the mini vegan marshmallows gently into the mashed sweet potato mixture. Ensure they are evenly distributed throughout.
Step 4: Assemble in Baking Dish
Transfer the sweet potato mixture into a greased baking dish. Spread it out evenly across the bottom.
Step 5: Make the Streusel Topping
In another mixing bowl, combine all-purpose flour, salt, ground cinnamon, room temperature unsalted butter, and dark brown sugar. Mix with your hands or a fork until crumbly.
Step 6: Top and Bake
Sprinkle the streusel topping over the sweet potato mixture evenly. Preheat your oven to 350°F (175°C) and bake for about 30 minutes until heated through and golden brown on top.
Your Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel is now ready to be served! Enjoy this delightful side dish that is sure to please at any meal!
How to Serve Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel
Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel is a delightful side dish that pairs wonderfully with many meals. Here are some creative ways to serve it.
For a Cozy Family Dinner
- Serve warm alongside roasted chicken for a comforting, home-cooked feel.
- Pair with turkey or beef for a hearty meal that everyone will enjoy.
As a Holiday Feast
- Make it the star of your Thanksgiving table, complementing savory dishes like green bean casserole.
- Offer it as a sweet side at Christmas dinner to balance out savory entrees.
For a Potluck or Gathering
- Present it in an attractive casserole dish to make it easy for guests to serve themselves.
- Add a sprinkle of extra cinnamon on top before serving for an appealing look.
How to Perfect Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel
To ensure your Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel turns out perfectly, consider these helpful tips.
- Use fresh sweet potatoes: Fresh sweet potatoes provide better flavor and texture than canned options.
- Mash thoroughly: Ensure the sweet potatoes are well-mashed for a creamy consistency that complements the toppings.
- Monitor cooking time: Keep an eye on the casserole while baking to avoid overcooking and maintain its moisture.
- Let it cool slightly: Allow the casserole to sit for a few minutes after baking; this helps set the layers and enhances flavors.
- Experiment with spices: Feel free to adjust the cinnamon and nutmeg levels based on personal preference for added warmth.
Best Side Dishes for Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel
When planning your meal, consider these delicious side dishes that pair perfectly with Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel.
- Garlic Mashed Potatoes: Creamy mashed potatoes infused with garlic provide a savory contrast to the sweetness of the casserole.
- Honey Glazed Carrots: Tender carrots glazed in honey add brightness and sweetness, enhancing the overall flavor profile.
- Roasted Brussels Sprouts: Crispy Brussels sprouts deliver an earthy taste that balances the richer elements of your meal.
- Creamy Spinach Salad: A fresh spinach salad topped with creamy dressing offers a refreshing crunch alongside sweet flavors.
- Cornbread Muffins: These soft muffins complement the casserole’s sweetness while adding delightful texture to each bite.
- Green Bean Almondine: Lightly sautéed green beans garnished with toasted almonds create an elegant side dish that contrasts nicely.
Common Mistakes to Avoid
Avoiding common mistakes can help you achieve the perfect Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel.
- Overcooking sweet potatoes – Cooking sweet potatoes too long can make them mushy. Boil until just tender for the best texture.
- Skipping the salt – Not adding salt can dull the flavors. A little salt enhances sweetness, so don’t skip it!
- Using cold butter – Cold butter doesn’t mix well for streusel. Use room temperature butter for a crumbly texture.
- Not measuring ingredients accurately – Inaccurate measurements lead to inconsistent results. Use measuring cups and spoons for precision.
- Forgetting to preheat the oven – Baking in a cold oven can affect cooking time. Always preheat your oven to ensure even baking.
Storage & Reheating Instructions
Refrigerator Storage
- item Store leftovers in an airtight container.
- item Keep in the refrigerator for up to 3 days.
Freezing Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel
- item Freeze in a freezer-safe container.
- item Best consumed within 2 months for optimal flavor.
Reheating Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel
- Oven – Reheat at 350°F (175°C) for about 20-25 minutes until heated through.
- Microwave – Heat in a microwave-safe dish for 2-3 minutes, stirring halfway.
- Stovetop – Warm over low heat in a saucepan, stirring gently until warmed.
Frequently Asked Questions
Here are some common questions about making Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel.
Can I make Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel ahead of time?
Yes, you can prepare it a day in advance and store it in the refrigerator before baking.
What can I use instead of heavy cream?
You can use coconut cream or any non-dairy milk as a lighter alternative.
How do I know when my sweet potatoes are done?
Sweet potatoes should be fork-tender but not falling apart when cooked properly.
Can I add nuts to this casserole?
Yes, chopped pecans or walnuts can add great flavor and crunch to your dish!
Final Thoughts
This Sweet Potato Casserole with vegan marshmallows and Cinnamon Streusel is a delightful side dish that brings warmth and comfort to any meal. Its blend of flavors and textures makes it versatile enough for holiday dinners or casual family gatherings. Feel free to customize it by adding your favorite toppings or spices!
Sweet Potato Casserole with Vegan Marshmallows and Cinnamon Streusel
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Total Time: 50 minutes
- Yield: Approximately 12 servings 1x
- Category: Side Dish
- Method: Baking
- Cuisine: American
Description
Delight your guests with this Sweet Potato Casserole topped with vegan marshmallows and a crunchy cinnamon streusel. This dish combines the natural sweetness of creamy sweet potatoes with fluffy vegan marshmallows, creating a comforting and indulgent side perfect for any gathering—from festive holidays to casual family dinners. Easy to prepare ahead of time, this casserole is guaranteed to impress everyone at the table with its warm flavors and inviting aroma.
Ingredients
- 5 pounds sweet potatoes (peeled and cut into 1” pieces)
- 4 tablespoons unsalted butter
- 1/2 cup brown sugar
- 1/2 teaspoon salt
- 1 teaspoon pure vanilla extract
- 1.5 teaspoons ground cinnamon
- 1/4 teaspoon ground nutmeg
- 1/2 cup heavy cream
- 2 cups mini vegan marshmallows
- 1 cup all-purpose flour
- 1/4 teaspoon salt
- 1 teaspoon ground cinnamon
- 6 tablespoons unsalted butter (room temperature)
- 1/4 cup dark brown sugar (packed)
Instructions
- Boil sweet potatoes in salted water until tender (15-20 minutes). Drain well.
- Mash drained sweet potatoes with butter, brown sugar, salt, vanilla extract, cinnamon, nutmeg, and heavy cream until smooth.
- Gently fold in the vegan marshmallows.
- Transfer mixture to a greased baking dish.
- In another bowl, mix flour, salt, cinnamon, room temperature butter, and dark brown sugar until crumbly for the streusel.
- Sprinkle the streusel over the sweet potato mixture.
- Preheat oven to 350°F (175°C) and bake for approximately 30 minutes or until heated through and golden brown.
Nutrition
- Serving Size: 1 slice (about 145g)
- Calories: 220
- Sugar: 16g
- Sodium: 120mg
- Fat: 8g
- Saturated Fat: 4g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 4g
- Protein: 2g
- Cholesterol: 15mg