# What You'll Need:
→ Oat Base
01 - 2 cups rolled oats
02 - 1 cup unsweetened almond milk
03 - 2 large eggs
04 - 1 cup plain Greek yogurt, nonfat or 2%
05 - 1/4 cup vanilla or unflavored protein powder
06 - 1/4 cup maple syrup or honey
07 - 1 teaspoon vanilla extract
08 - 1 teaspoon baking powder
09 - 1/4 teaspoon salt
→ Cinnamon Swirl & Crumble
10 - 1/3 cup brown sugar or coconut sugar
11 - 2 teaspoons ground cinnamon
12 - 2 tablespoons melted unsalted butter or coconut oil
13 - 2 tablespoons all-purpose flour or oat flour
14 - Pinch of salt
# How-To Steps:
01 - Preheat oven to 350°F. Grease an 8x8-inch baking dish with butter or cooking spray.
02 - In a large mixing bowl, combine rolled oats, almond milk, eggs, Greek yogurt, protein powder, maple syrup, vanilla extract, baking powder, and salt. Mix until thoroughly incorporated.
03 - In a separate bowl, blend brown sugar, ground cinnamon, melted butter, flour, and salt until crumbly texture forms.
04 - Transfer half of the oat mixture into the prepared baking dish and distribute evenly.
05 - Sprinkle half of the cinnamon crumble mixture evenly across the oat layer.
06 - Pour remaining oat mixture on top of the crumble layer and spread uniformly.
07 - Distribute remaining cinnamon crumble over the top oat layer.
08 - Using a knife, gently swirl through the layers to create a marbled appearance throughout the cake.
09 - Bake for 30 to 35 minutes until the top achieves golden color and the center is fully set.
10 - Allow to cool for 10 minutes before slicing and serving.