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The Ultimate Easy Crumb Cake with Box Cake Mix


  • Author: David Andersson
  • Total Time: 50–55 minutes
  • Yield: 12 servings 1x
  • Diet: Vegetarian

Description

To understand why this recipe is such a game-changer, it helps to break down what a crumb cake with box cake mix actually is. At its core, this dessert is a modern twist on a traditional coffee cake. It features a moist, fluffy cake base that serves as the canvas for a thick, decadent layer of streusel topping made from brown sugar, flour, cinnamon, and melted butter.


Ingredients

Scale
  • 2 frozen bananas
  • 1 scoop vanilla or chocolate protein powder
  • 1/2 cup milk (dairy or almond milk)
  • 1/2 cup Greek yogurt
  • 1 tsp vanilla extract
  • Optional:
    • cocoa powder
    • peanut butter
    • berries
    • chocolate chips
    • honey or maple syrup

Instructions

  1. Freeze sliced bananas for at least 3–4 hours.
  2. Add frozen bananas, protein powder, milk, yogurt, and vanilla to a blender or food processor.
  3. Blend until thick and creamy.
  4. Add extra milk if needed for smoother texture.
  5. Serve immediately for soft-serve texture or freeze for 1–2 hours for firmer ice cream.

Flavor Ideas

Chocolate Peanut Butter

Add:

  • 1 tbsp cocoa powder
  • 1 tbsp peanut butter

Berry Vanilla

Add:

  • 1/2 cup frozen berries
  • vanilla protein powder

Notes

This crumb cake is the perfect easy treat when you want something homemade without spending hours in the kitchen. The soft cake and buttery cinnamon crumb topping make every bite cozy, sweet, and perfect with a cup of coffee or tea

  • Prep Time: 15 minutes
  • Cook Time: 35–40 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 320 kcal