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Chocolate Chip Baked Oatmeal

An easy make-ahead oatmeal breakfast casserole filled with all the flavors of classic chocolate chip cookies.
Prep Time10 mins
Cook Time35 mins
Total Time45 mins
Course: Breakfast
Cuisine: American
Servings: 12 servings
Calories: 339kcal
Author: Lizzy T


  • 6 Cups Whole Rolled Oats
  • 3 1/2 Cups Whole Milk
  • 4 large Eggs
  • 1 Teaspoon Baking Powder
  • 1 Teaspoon Pure Vanilla Extract
  • 3/4 Teaspoon Salt
  • 2/3 Cup Brown Sugar
  • 6 Tablespoons Butter Diced
  • 1/2 Cup Chocolate Chips


  • Butter a 9x13 baking pan. 
  • In a large bowl, whisk together the eggs, milk and vanilla. 
  • Add in the oats, brown sugar, salt, baking powder and butter. 
  • Stir all the ingredients together until well combined, then pour into the prepared baking dish. 
  • Cover and refrigerate overnight or at least 6 hours.
  • Preheat oven to 375 degrees. Bake casserole for 30-40 minutes. The oatmeal should firm up and liquid will be absorbed.
  • Serve with butter and extra milk or cream.



Serving: 150g | Calories: 339kcal | Carbohydrates: 43g | Protein: 10g | Fat: 14g