Rustic & Filling Baked Blueberry Oatmeal Recipe to Cozy Up With

Breakfast becomes a delightful morning ritual with this hearty blueberry oatmeal casserole that promises warmth and comfort.

Bursting with plump blueberries nestled in creamy baked oatmeal, this recipe delivers a wholesome start to your day.

Seasonal blueberries add natural sweetness and vibrant color to every satisfying bite.

The aroma of cinnamon and vanilla will drift through your kitchen, inviting everyone to the table.

Each spoonful combines soft oats, juicy berries, and a subtle hint of maple.

Rich in nutrients and incredibly simple to prepare, this one-pan breakfast serves up pure morning magic.

Gather your ingredients and let’s turn an ordinary morning into an extraordinary culinary experience.

Quick Recipe Overview

Prep Time: 10 minutes

Cook Time: 35 minutes

Total Time: 45 minutes

Calories: 260 kcal

Servings: 6

What You’ll Need for Baked Blueberry Oatmeal

• Rolled Oats: Hearty, whole grain foundation that provides a satisfying, fiber-rich texture and nutty base for the baked dish.
• Baking Powder: Crucial leavening agent that helps the oatmeal rise and achieve a light, fluffy consistency.
• Cinnamon: Warm, aromatic spice that adds depth and comforting flavor to the breakfast bake.
• Salt: Enhances overall flavor and balances the sweetness of other ingredients.

• Milk: Creamy liquid that binds ingredients and creates a smooth, tender texture.
• Eggs: Provide structure, richness, and help bind the ingredients together.
• Maple Syrup: Natural sweetener that adds delicate, caramel-like flavor and golden color.
• Vanilla: Aromatic extract that elevates and rounds out the entire dish's flavor profile.
• Butter: Adds richness, moisture, and creates a luxurious mouthfeel when melted.

• Blueberries: Burst of juicy, antioxidant-rich fruit that provides natural sweetness and vibrant color.
• Nuts (Optional): Adds crunch, protein, and nutty depth to complement the soft oatmeal texture.

Equipment Guide for Blueberry Oatmeal Baking

• Large mixing bowl: Perfect for combining dry ingredients smoothly.
• Medium mixing bowl: Essential for whisking wet ingredients together.
• 8×8-inch baking dish: Key for baking and presenting the oatmeal.
• Whisk: Helps blend wet ingredients evenly.
• Spatula: Great for gently folding blueberries and mixing ingredients.
• Measuring cups and spoons: Ensures accurate ingredient amounts.
• Oven mitts: Protects hands when handling hot baking dish.

Blueberry Oatmeal Prep Instructions

• Warm Up the Kitchen

Crank your oven to a toasty 375F and lovingly butter an 8-inch baking dish to create a cozy home for your delicious creation.

• Create the Dry Base

Grab a mixing bowl and toss together hearty oats, a sprinkle of baking powder, a dash of warming cinnamon, and a pinch of salt for that perfect foundation.

• Craft the Liquid Magic

In a separate bowl, whisk together creamy milk, farm-fresh eggs, golden maple syrup, a splash of vanilla, and melted butter until they dance together smoothly.

• Blend the Goodness

Pour your liquid mixture into the dry ingredients, stirring gently until everything just comes together – no overmixing allowed!

• Add the Berry Burst

Tenderly fold in plump blueberries and a handful of crunchy nuts if you’re feeling adventurous.

• Bake to Perfection

Transfer your mixture to the prepared dish and slide it into the waiting oven. Bake for 35-40 minutes until the top turns a gorgeous golden brown and the center sets beautifully.

• Serve with Love

Let the oatmeal rest for a few moments, then slice and serve. Top with a drizzle of syrup, a dollop of yogurt, or a splash of cold milk for pure morning bliss.

Tips to Make Blueberry Oatmeal Even Better

• Overnight Soak Trick: Soak oats in milk overnight to create an extra creamy, tender texture that enhances the dish's overall softness.
• Berry Swap Magic: Replace blueberries with raspberries, strawberries, or mixed berries for a delightful flavor twist and colorful presentation.
• Make-Ahead Meal Prep: Prepare the entire dish the night before, refrigerate, and bake in the morning for a quick, hassle-free breakfast.
• Gluten-Free Friendly: Use certified gluten-free oats and swap regular milk with almond or oat milk to make this recipe suitable for gluten-sensitive individuals.
• Protein Power Boost: Add a scoop of vanilla protein powder or sprinkle chopped almonds and chia seeds to increase the protein content and nutritional value.

Serving Ideas for Baked Blueberry Oatmeal

• Breakfast Bliss Station: Create a cozy morning setup with warm mugs of coffee or tea alongside your baked oatmeal for a comforting start.
• Creamy Companion Idea: Top each serving with a dollop of Greek yogurt or a splash of cold milk to add richness and extra protein to your breakfast.
• Fruit Fiesta Twist: Scatter fresh blueberries, sliced strawberries, or a sprinkle of chopped bananas on top for added natural sweetness and vibrant color.
• Nutty Crunch Boost: Garnish with toasted almonds, chopped pecans, or a light drizzle of honey to introduce delightful texture and enhanced flavor complexity.

Store & Reheat Baked Blueberry Oatmeal Smartly

• Smart Refrigeration Strategy: Store leftover baked oatmeal in an airtight container inside the refrigerator for up to 5 days, maintaining its delicious texture and flavor profile.
• Quick Reheating Technique: Warm individual portions in the microwave for 30-45 seconds, adding a splash of milk to restore moisture and ensure a creamy consistency.
• Freezer-Friendly Option: Slice the oatmeal into individual servings, wrap tightly in plastic wrap, then place in freezer bags for convenient grab-and-go breakfasts lasting up to 3 months.
• Portion Control Hack: Use silicone muffin cups or small ramekins for single-serving preparations, making meal prep and storage super easy and flexible for busy mornings.

Hearty Baked Blueberry Oatmeal Recipe

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4.8 from 35 reviews

• Total Time: 45 minutes
• Yield: 7 1x

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Description

Blueberry Oatmeal Breakfast Casserole brings comfort and nutrition to morning tables. Wholesome ingredients blend seamlessly for a satisfying meal you’ll savor with each hearty spoonful.

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Ingredients

Scale 1x2x3x

• 1 ½ cups (355 ml) fresh or frozen blueberries
• 2 cups (473 ml) rolled oats
• 2 large eggs
• 1 ½ cups (355 ml) milk (dairy or non-dairy)
• ⅓ cup (80 ml) maple syrup or honey
• ¼ cup (59 ml) melted butter or coconut oil
• ½ cup (118 ml) chopped nuts (optional, like pecans or walnuts)
• 1 tsp (5 ml) vanilla extract
• 1 tsp (5 ml) baking powder
• 1 tsp (5 ml) cinnamon
• ½ tsp (2.5 ml) salt

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Instructions

1. Preheat Oven: Configure the oven to 375F (190C) and meticulously grease an 8×8-inch baking dish to prevent sticking.
2. Combine Dry Ingredients: In a large mixing bowl, whisk together rolled oats, baking powder, ground cinnamon, and salt until thoroughly integrated.
3. Blend Wet Components: In a separate vessel, vigorously whisk milk, eggs, maple syrup, vanilla extract, and melted butter until achieving a smooth, homogeneous liquid mixture.
4. Merge Mixtures: Gently fold wet ingredients into dry components, stirring minimally to maintain a rustic, textured consistency without overmixing.
5. Incorporate Additions: Delicately fold blueberries and optional nuts throughout the batter, ensuring even distribution with a gentle folding technique.
6. Bake and Monitor: Transfer mixture to prepared baking dish, spreading evenly, and bake for 35-40 minutes until the surface transforms to a golden-brown hue and the center sets completely.
7. Rest and Serve: Remove from oven, allow brief cooling for ingredient stabilization, then slice into portions and serve warm with optional accompaniments like maple syrup, yogurt, or milk.

Notes

• Prevent Overmixing: Stir ingredients minimally to maintain a rustic, tender texture and avoid developing tough, dense oatmeal.
• Berry Distribution Trick: Gently fold blueberries to prevent color bleeding and ensure even spread throughout the baked dish.
• Moisture Balance Control: Use room temperature ingredients to create a more consistent batter and ensure even baking and texture.
• Customize Dietary Needs: Easily swap dairy milk with plant-based alternatives, use gluten-free oats, or replace eggs with flax eggs for dietary restrictions.

• Prep Time: 10 minutes
• Cook Time: 35 minutes
• Category: Breakfast, Snacks
• Method: Baking
• Cuisine: American

Nutrition

• Serving Size: 7
• Calories: 250
• Sugar: 10 g
• Sodium: 180 mg
• Fat: 9 g
• Saturated Fat: 3 g
• Unsaturated Fat: 5 g
• Trans Fat: 0 g
• Carbohydrates: 36 g
• Fiber: 4 g
• Protein: 7 g
• Cholesterol: 70 mg