High Protein French Toast Casserole

High Protein French Toast Casserole

Evann Ryan

There’s something so comforting about waking up to the smell of baked cinnamon and vanilla — it’s like a cozy hug from your kitchen. This High Protein French Toast Casserole captures all that weekend brunch magic, but in a way that’s both nourishing and easy to make. Think golden, caramelized edges, soft custardy bread, and the sweet aroma of apples and cinnamon wafting through your home.

This recipe is high in protein thanks to a blend of plant-based protein powder and soy milk, making it the perfect make-ahead breakfast for busy mornings or slow Sundays alike. It’s wholesome, satisfying, and secretly packed with nutrients — no one will ever guess it’s this good for you.

Why You’ll Love This High Protein French TOast Casserole

  • High-protein & plant-based: Over 20g of protein per serving without a single egg or scoop of dairy.

  • Meal prep friendly: Make it ahead, slice into servings and reheat when you are ready to eat.

  • Naturally sweet & comforting: Warm apples, cinnamon, and vanilla come together for that cozy French toast flavor.

  • Simple, one-dish bake: No flipping or frying — just mix, pour, and bake.

  • Wholesome ingredients: Fiber-rich whole wheat bread and antioxidant-packed ceylon cinnamon make this as nourishing as it is delicious.

What You Need To Make This High Protein French TOast Casserole

  • 9x9-inch baking dish

  • Large mixing bowl

  • Whisk or blender

  • Measuring cups & spoons

  • Oven preheated to 375°F (190°C)

Core Ingredients:

Ingredient Substitutions

  • Protein powder: Any vanilla protein powder works — pea, brown rice, hemp etc.

  • Soy milk: Oat, almond, or cashew milk are all great alternatives.

  • Egg replacer flour: Substitute with ground flaxseed or chia seed mixed with water.

  • Coconut butter: Almond butter or cashew butter can be used for a creamier glaze.

  • Whole wheat bread: Use sourdough or gluten-free bread.

More Cozy Breakfast Recipes From the Blog

Recipe Card

High Protein French Toast Casserole

  • Servings: 4

  • Prep Time: 10 minutes

  • Bake Time: 30 minutes

  • Total Time: 40 minutes

  • Estimated Macros per Serving: 373 calories | 9g fat | 53g carbs | 20g protein

Ingredients List

For the Casserole:

  • 2 tbsp egg replacer flour

  • 84g Botanica Health Vanilla Elevated Adrenal Support Blend (or preferred protein powder)

  • 1 ½ cups soy milk (or oat milk)

  • 2 tbsp ceylon cinnamon

  • 1 tsp vanilla bean powder or extract

  • 6 slices soft whole wheat bread, chopped

  • 2 apples, chopped

For the Glaze:

  • 2 tbsp coconut butter (coconut manna)

  • 3–4 tbsp soy milk

Instructions

  1. Preheat oven to 375°F (190°C) and lightly grease a 9x9-inch baking dish.

  2. In a large mixing bowl, whisk together the egg replacer flour, protein powder, soy milk, cinnamon, and vanilla until smooth and creamy.

  3. Add the chopped bread and apples to the bowl and gently toss until every piece is coated in the protein mixture.

  4. Pour the mixture into the prepared baking dish and spread evenly.

  5. Bake for 30 minutes, or until the top is golden and the center is set.

  6. While baking, prepare the glaze: in a small bowl, whisk together coconut butter and soy milk until smooth and pourable.

  7. Remove casserole from oven and let cool for 5 minutes. Drizzle with the warm coconut glaze before serving.

This High Protein French Toast Casserole is cozy, nourishing, and just the right mix of indulgent and good-for-you — exactly what brunch dreams are made of. Serve it warm with a sprinkle of cinnamon and your favorite mug of coffee or tea.

Let us know how this recipe was for you in the cooment section below.

Back to blog

Leave a comment

High protein Vegan Ebooks