Overnight Baked Oatmeal Recipe

Gather all ingredients.

Grease a 2-quart rectangular baking dish. 

Whisk eggs, milk, maple syrup, brown sugar, vanilla, cinnamon, and salt together in the prepared dish. 

Stir in oats and amaranth. If desired, stir in flavor variation mix-ins (see below).

Cover and chill at least overnight or up to 3 days.

Preheat the oven to 350 degrees F (180 degrees C). Uncover and stir to re-incorporate all of the ingredients.

Bake, uncovered, until golden brown and the center is set, 45 to 55 minutes.

Let stand 10 minutes before serving. Serve warm.

Flavor Variations

Berry Lemon

Omit cinnamon. Gently stir in 1 teaspoon lemon zest and 1 cup total of berries: blueberries, raspberries and/or blackberries.

Banana Chocolate Chip

Mash 1/2 large ripe banana, slice 1 large ripe banana. Gently stir in the banana and 1/2 cup dark chocolate chips, semisweet chocolate chips, or mini chips.

Dried Fruit and Nut

Gently stir in 1/2 cup toasted chopped walnuts or almonds, 1/2 teaspoon ground nutmeg or cardamom and 1 cup dried fruit: cranberries, snipped apricots, blueberries and/or dried cherries.

Apple and Peanut Butter

Stir in 1 large unpeeled apple, cored and chopped, and 1/4 cup peanut butter.