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Oatmeal casserole in a glass bowel with glass pan in the background.

Baked Oatmeal Casserole {Healthy, Easy}

You are going to love making and eating this Baked Oatmeal Casserole! Berries, cinnamon, walnuts, eggs, milk (any kind), and breakfast goodness all in one pan. 

Course Breakfast
Cuisine American
Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings 6 people
Calories 268 kcal
Author Rashele Birmingham

Ingredients

  • 2 cups thick rolled oats
  • 1/4 cup coconut sugar or 2 Tbsp honey
  • 1 tsp baking powder
  • 1 tsp cinnamon
  • 1/2 cup walnuts chopped
  • 1 cup berries
  • 2 cups milk any kind
  • 3 large eggs
  • 3 Tbsp coconut oil or butter
  • 1 Tbsp vanilla
  • 1/2 cup dark chocolate chips optional

Instructions

  1. Preheat oven to 375 degrees Farenheight. Lightly oil a 9 x 13 glass or stone pan. 

  2. Mix dry ingredients: oats, coconut sugar, baking powder, cinnamon. Pour into pan. 

  3. Sprinkle chopped walnuts and whole berries on top of the oatmeal mixture. 

  4. In separate bowl, mix wet ingredients: milk, eggs, vanilla, coconut oil/butter (and honey if using). Pour over the top of the oatmeal and berries. 

  5. Bake uncovered for 35-40 minutes or until bubbly and beginning to turn golden brown on top. 

  6. Serve with milk of choice. 

Recipe Notes

  1. Side note -- it's not a bad idea to make this breakfast casserole the night before. Consider adding a tablespoon of yogurt, whey, lemon juice, or apple cider vinegar to your milk and eggs which will help break down the phytic acid in the oatmeal (sort of like predigesting it for you).
  2. Vegan option: replace eggs with "flax-eggs". Each flax egg is made up of 1 Tbsp ground flax seed + 2.5 Tbsp warm water.