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Make-Ahead Mixed Berry French Toast Breakfast Casserole

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If you are looking for an easy and delicious breakfast especially for those with a sweet tooth for the holidays or lazy weekend mornings then this easy breakfast casserole which can be made ahead is ideal. With frozen berries of any sort you like (we used a mixed berry bag), you can make it the night before and just cook for breakfast in the morning. So here you go our delicious Mixed Berry French Toast Casserole for brilliant breakfasts.

pinterest image collage for a make ahead mixed berry french toast casserole

Mixed Berry Breakfast Casserole

This breakfast casserole is full of delicious mixed berries and because they are frozen you can use any blend that you love.

breakfast casserole with frozen berries and french bread ready to chill overnight

The bag we buy from the supermarket is a mixture of frozen raspberries, blackberries, strawberries, and blueberries, but I’ve also made it with a summer berry mix meant for smoothies and it’s been equally as delicious.

Make-Ahead French Toast and Berry Casserole

Because you’re going to make it the night before you don’t have to worry about defrosting the berries before cooking, they are going to do that themselves in the refrigerator.

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collage of different families having breakfast together
dairy-free breakfast casserole made with almond milk and vegan butter

We’re made this recipe dairy-free (does include eggs) as we had a friend visiting who was dairy intolerant and they loved it, but I’ve equally made it with dairy milk and butter and it’s tasted just as nice.

Tips for Making the Berry French Toast Breakfast Casserole

A few quick tips for making it.

Frozen Berry breakfast casserole ready to eat

1. Grease your baking pan

I use a silicone brush and some cooking oil to lightly grease our baking pans but if you normally use cooking spray then this works just as well.

2. A minimum of 6 hours sitting

You’re going to need to give it around 6hours minimum in the fridge. However, overnight is best and on Christmas Eve I tend to make it after dinner before we sit down for a family movie.

3. Cold Oven

I have learnt the hard way that it’s best to put this dish from the fridge into a cold oven and then switch the heat on. It’s no fun cleaning up smashed pans and ruined breakfast on Christmas morning!

breakfast casserole ready to go in the oven just need to cover it with foil and bake

4. Cover to Cook

You’re going to want to cover it to cook, it’s going to be in there for around 45 minutes but for 35 minutes of that the foil cover is on to prevent it burning.

5. Remove the Cover to Brown

Anaemic food isn’t good so it is important that 35 minutes into the baking you remove the foil and let the top turn to a golden brown.

Christmas Morning Sweet Berry Casserole

On Christmas morning alongside our crockpot blueberry french toast casserole and Christmas Breakfast casserole, this gets switched on after the stockings are open.

make-ahead french toast and frozen berry breakfast casserole ready to tuck into

I then have enough time to shower and get dressed for the day to then get downstairs and uncover and brown the casserole and get breakfast ready for the family.

top down very of a bowl of frozen berry and french toast breakfast with a fork beside

How to Make a Frozen Berry Breakfast Casserole

Hey Mom! How do we make it? It’s so easy just follow the recipe below.

a bowl of mixed berry and french toast casserole ready to eat

Make-Ahead Frozen Berry French Toast Breakfast Casserole

Yield: 8 Peop
Prep Time: 15 minutes
Cook Time: 45 minutes
Chilling Time: 6 hours
Total Time: 7 hours

A delicious make-ahead breakfast casserole for the holidays and weekends with frozen berries and dairy-free

Ingredients

  • 14 oz French bread, cut into 1-inch cubes
  • 1 banana, overripe
  • 1 cup almond milk
  • 3 eggs
  • 3 egg whites
  • 2 tbsp maple syrup
  • 1 tbsp vanilla extract
  • 2 tsp ground cinnamon
  • 6 oz frozen mixed berries
  • 2 tbsp brown sugar
  • 2 tbsp vegan butter

Instructions

  1. Arrange bread cubes in a 9x13 greased baking dish.
  2. In a bowl, mash the banana with a fork then whisk in the milk, eggs, egg whites, maple syrup, vanilla, and cinnamon until well combined.
  3. Pour the mixture over the bread crumbs, coating as many as possible, toss the mixture to coat if needed.
  4. Sprinkle the berries over the bread mixture.
  5. Cover with foil and chill in the refrigerator for at least 6 hours, up to overnight.
  6. When ready to bake, combine the butter and brown sugar in a bowl until it forms a paste.
  7. Remove foil covering from the baking dish and put dollops of the sugar mixture all around the top of the casserole.
  8. Recover and place in a cold oven.
  9. Set the temperature to 375 and bake for 35 minutes.
  10. When the alarm goes remove the foil and bake for another 10 minutes, until golden brown.
Nutrition Information:
Yield: 8 Serving Size: 1
Amount Per Serving: Calories: 253Total Fat: 6gSaturated Fat: 3gTrans Fat: 0gUnsaturated Fat: 3gCholesterol: 77mgSodium: 372mgCarbohydrates: 39gFiber: 3gSugar: 12gProtein: 10g

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More Delicious Breakfast Casseroles

If you love breakfast casseroles you should try some of these others as well.

baking pan with cinnamon roll casserole with frosting drizzled on top and cinnamon sticks beside with a tea towel
serving of a breakfast casserole with sausage egg and melted cheese on a plate with the serving dish in the background
overnight make ahead blueberry and waffle breakfast casserole on a dish being poured over with maple syrup

More Christmas Morning Breakfast Ideas

Not everyone loves breakfast casseroles so if you have fussy guests you may want to try one of these alternative Christmas day breakfast ideas.

a stack of homemade gingerbread waffles on a plate with maple syrup poured over and topped with cream and christmas sprinkles
a christmas plate with 3 christmas tree cinnamon rolls with green frosting and lots of sprinkles, star and holly
a plate with a stack of green waffles placed to look like a Christmas tree covered in a glaze and with rainbow sprinkles for Christmas breakfast with the kids
Pinnable image for a make ahead frozen berry breakfast casserole

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