A BREAKFAST CASSEROLE RECIPE RECIPES

Steps:

• Coarsely chop ham. (You should have 1 ½ cups.) Heat 1 tablespoon of the oil in a large skillet over medium. Add ham; cook, stirring occasionally, until fat is rendered, about 4 minutes. Using a slotted spoon, transfer ham to a large bowl, reserving drippings in skillet. Add remaining 1 tablespoon oil to skillet; stir in onions. Cook, stirring occasionally, until deeply browned, about 30 minutes. Add spinach; cook, stirring often, until wilted, 1 to 2 minutes. Transfer onion mixture to bowl with ham; let cool 10 minutes.
• Whisk together eggs, milk, mustard, salt, and pepper. Add egg mixture and 1 cup of the cheese to bowl with onion mixture, and stir to combine. Arrange croissants, slightly overlapping, in 2 rows in a lightly greased 11- x 7-inch baking dish. Pour mixture over croissants. Sprinkle with remaining ½ cup cheese. Cover with aluminum foil, and chill 8 hours or up to overnight.
• Preheat oven to 375°F. Uncover casserole, and place on a large rimmed baking sheet. Bake in preheated oven until golden brown and center is set, about 1 hour. Shield with foil after 25 minutes, if needed to prevent excess browning.

Steps:

• Preheat oven to 350°. Whisk together eggs, milk, salt and pepper. In a large skillet coated with cooking spray, cook and stir egg mixture over medium heat until thickened and no liquid egg remains; remove. , In the same skillet, cook and crumble sausage over medium heat until no longer pink, 5-7 minutes; drain. Stir together sour cream and soup. Spread half the sour cream mixture in an ungreased 13x9-in. baking dish. Layer with half the tortilla pieces, half the salsa, the scrambled eggs, the sausage, and the remaining tortillas and sour cream mixture. Top with remaining salsa; sprinkle with cheeses., Bake, uncovered, until heated through, 30-35 minutes. If desired, serve with enchilada sauce and sliced green onions., To Make Ahead: Refrigerate unbaked casserole, covered, several hours or overnight. To use, preheat oven to 350°. Remove casserole from refrigerator while oven heats. Bake as directed, increasing time by 5 minutes.