5. Mix gently

Using a spoon, lightly stir everything just enough to coat the blueberries.

Avoid crushing them too much—you want whole berries with a rich sauce forming around them.

6. (Optional) Add a topping

If you want a more dessert-like casserole:

Quick crumble topping:

• 1/2 cup flour
• 1/3 cup sugar
• 1/4 cup cold butter

Mix until crumbly and sprinkle on top.

Or keep it plain for a lighter version.

7. Bake

Place the dish in the oven and bake for:

⏱️ 35 to 45 minutes

You’ll know it’s ready when:

• The mixture is bubbling around the edges
• The sauce looks thick and glossy
• The top (if added) is lightly golden

8. Let it rest

After removing from the oven, let it sit for 10–15 minutes.

This step is important because:

• The sauce thickens as it cools
• The flavors become richer and smoother

🍽️ How to Serve It

This blueberry casserole is extremely versatile:

• Spoon it warm over vanilla ice cream
• Serve it with pancakes or waffles
• Add it to yogurt or oatmeal
• Eat it as a warm dessert on its own

💡 Tips for the best results

• Don’t reduce the sugar too much unless you prefer a tart flavor
• Add a squeeze of lemon juice for brightness
• If it looks too watery after baking, let it rest longer—it thickens naturally
• You can double the recipe for a crowd easily

✨ Final result

What you get is a bubbling, deep-purple blueberry bake with a thick, sweet sauce that feels like a mix between pie filling and warm fruit compote. It’s the kind of simple recipe that feels effortless but tastes like you spent much longer making it.

If you want, I can also turn this into:

• a keto version
• a healthy low-sugar version
• or a crisp topping version like a blueberry crumble