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A comforting and wholesome baked breakfast dish made with rolled oats, diced apples, milk, eggs, and maple syrup, infused with cinnamon and vanilla, perfect for make-ahead and customizable to suit various dietary preferences.

  • Total Time: 40-45 minutes
  • Yield: 8 servings 1x

Ingredients

Scale
  • 2 cups old-fashioned (rolled) oats
  • 1 1/2 cups milk (dairy or almond milk)
  • 1 large apple, diced
  • 2 large eggs
  • 1/4 cup maple syrup or honey
  • 1 tsp vanilla extract
  • 1 tsp ground cinnamon
  • 1/2 tsp baking powder
  • 1/4 tsp salt
  • 1/4 cup chopped walnuts or pecans (optional)

Instructions

  1. Preheat oven to 350°F (175°C) and grease an 8×8-inch (or similar) baking dish.
  2. For a vegan version, mix 2 tablespoons flaxseed meal with 5 tablespoons water and let sit to thicken to replace eggs.
  3. If using nuts, toast 1/4 cup chopped walnuts or pecans briefly in a dry skillet until fragrant; set aside.
  4. Dice 1 large apple into evenly sized pieces, leaving the skin on if desired.
  5. In a medium bowl, whisk together 2 large eggs (or flax mixture), 1 1/2 cups milk, 1/4 cup maple syrup (or honey), and 1 teaspoon vanilla until smooth.
  6. In a larger bowl, stir together 2 cups rolled oats, 1/2 teaspoon baking powder, 1 teaspoon ground cinnamon, and 1/4 teaspoon salt; stir in toasted nuts if using.
  7. Pour the wet mixture over the dry oat mixture; stir gently until combined, folding in the diced apples, mixing just until combined to avoid overmixing.
  8. Adjust batter consistency: add a splash more milk if too thick or stir in 1–2 tablespoons extra oats if too wet.
  9. Pour the mixture into the prepared pan, spread evenly, and smooth the top with a spatula.
  10. Bake for 30–35 minutes until the top is light golden and the center feels set; test doneness with a toothpick (it should come out mostly clean).
  11. Optionally, broil the top for 1–2 minutes to crisp, watching closely to prevent burning.
  12. Let bake cool for about 5 minutes before slicing and serving.

Notes

Stick with rolled oats for best texture; quick oats make a softer, porridge-like bake., Cut apples evenly for consistent cooking; leaving skin on adds fiber and color., Avoid overmixing to prevent soggy texture; bake until center is fully set., Toast nuts before adding for extra crunch and flavor., Broil briefly at the end for a crispier top if desired, but watch carefully to avoid burning., Make ahead by baking the night before; reheat slices in microwave (30-60 seconds) or oven (300°F for ~10 mins)., Customizable with different fruits (pears, berries, banana), milk types, sweeteners, nuts, seeds, protein powder, and spices like ginger or cardamom., Vegan option uses flax eggs and plant-based milk., Store leftovers airtight in fridge up to 5 days or freeze individual slices up to 3 months. Thaw overnight in fridge before reheating.

  • Author: Laura
  • Prep Time: 10 minutes
  • Cook Time: 30-35 minutes
  • Category: Breakfast

Nutrition

  • Serving Size: 1 slice
  • Calories: Approximately 220 kcal per serving (varies with optional nuts and swaps)
  • Fat: 5 g per serving
  • Carbohydrates: 35 g per serving
  • Protein: 7 g per serving