Overnight Blueberry French Toast Casserole

Try this Overnight Blueberry French Toast Casserole recipe, or contribute your own.

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Overnight Blueberry French Toast Casserole Save
Overnight Blueberry French Toast Casserole

Try this Overnight Blueberry French Toast Casserole recipe, or contribute your own.

  • Preparing Time: 30 minutes
  • Total Time: 30 minutes
  • Served Person: 6
  • Carbohydrate 6.57711194357989 g
  • Cholesterol 5.40277777919233 mg
  • Fat 1.41022222271024 g
  • Fiber 0.468199986550989 g
  • Protein 3.49710972253442 g
  • Saturated Fat 0.842320555832911 g
  • Serving Size 1 1 Serving (157g)
  • Sodium 4748.51259670047 mg
  • Sugar 6.1089119570289 g
  • Trans Fat 0.119168583394135 g
  • Calories 54 calories

Step-by-step

  • Slice the French bread diagonally into 10-14 slices, each one about 1/2 or 3/4 inch thick.
  • Arrange in a single layer in a 9x13 inch dish.
  • In a medium bowl, whisk together eggs, milk, baking powder, and vanilla.
  • Pour slowly over the bread, making sure to get all the bread wet.
  • Turn the slices over and saturate them.
  • Cover completely and chill overnight, or at least a couple hours.
  • When you are ready to bake, preheat the oven to 425 degrees.
  • Grease a new 9x13 inch pan.
  • Combine blueberries, sugar, cornstarch, and cinnamon in the greased pan.
  • Stir until combined, then spread it out evenly.
  • Place the bread wettest side down on top of the blueberries in a single layer.
  • Brush with the melted butter.
  • Bake in the preheated oven for 24-26 minutes, or until golden brown.
  • Sprinkle with powdered sugar and serve immediately!

Constructing a baked breakfast dish featuring soaked bread and fruit requires balancing moisture retention against structural integrity so the final product sets properly without turning dense or soggy. While traditional preparations rely on standard dairy ratios and day-old loaves, understanding how alternative components behave in the oven prevents structural failure.

  • Swapping standard dairy for plant-based milks requires choosing varieties with higher fat contents, such as full-fat oat milk, because skim alternatives lack the solids necessary to form a stable custard during baking.
  • Staling the bread intentionally by leaving sliced French bread uncovered on the counter for several hours allows the crumb to dry out, ensuring maximum absorption of the egg and milk mixture without dissolving into mush.
  • Baking at high heat, specifically 425 degrees Fahrenheit for 24 to 26 minutes, rapidly sets the exterior crust to a golden brown while gelatinizing the cornstarch and fruit juices underneath before the bread overcooks.
  • Overloading the fruit layer with excess liquid without adjusting the cornstarch ratio will prevent the blueberry juices from thickening properly into a glossy sauce.

Proper refrigeration during the overnight resting phase allows the starch networks within the bread to fully hydrate. Serving the casserole immediately after brushing with melted butter and dusting with powdered sugar preserves the textural contrast between the crisp top and the tender fruit base.