Recipes Breakfast and Brunch Eggs Christmas Morning Egg Casserole 4.4 (132) 112 Reviews 27 Photos This was the casserole my mom made every year for Christmas morning. Submitted by Karen514 Updated on May 1, 2023 Tested by Allrecipes Test Kitchen Tested by Allrecipes Test Kitchen The Allrecipes Test Kitchen staff are a team of culinary pros who make and vet recipes using only equipment you'd find in a home kitchen. Staff credentials vary but include training at the Culinary Institute of America; kitchen stints in fine dining restaurants; and countless hours in the test kitchen itself. Meet the Allrecipes Test Kitchen Save Rate Print Share Add Photo 27 27 27 27 Prep Time: 20 mins Cook Time: 1 hr Additional Time: 8 hrs Total Time: 9 hrs 20 mins Servings: 8 Yield: 8 servings Jump to Nutrition Facts Cook Mode (Keep screen awake) Ingredients cooking spray (such as Pam®) 2 cups diced cooked ham 2 tablespoons butter, or as needed 7 slices bread, crusts removed ½ pound American cheese, cubed 3 cups milk 6 eggs, beaten ¾ teaspoon dry mustard ¾ teaspoon salt Directions Gather all ingredients. Dotdash Meredith Food Studios Spray a 9x13-inch casserole dish with cooking spray. Spread ham into the bottom of prepared casserole dish. Butter one side of each bread slice; cut slices into cubes. Arrange buttered bread cubes atop ham; layer American cheese over bread cubes. Dotdash Meredith Food Studios Whisk milk, eggs, mustard powder, and salt together in a bowl; pour over American cheese layer. Cover dish with aluminum foil and refrigerate 8 hours or overnight. Dotdash Meredith Food Studios Dotdash Meredith Food Studios Preheat oven to 350 degrees F (175 degrees C). Remove aluminum foil from casserole. Dotdash Meredith Food Studios Bake in the preheated oven until cheese is melted and eggs are set in the middle, about 1 hour. Dotdash Meredith Food Studios Dotdash Meredith Food Studios I Made It Print 797 home cooks made it! Nutrition Facts (per serving) 374 Calories 24g Fat 16g Carbs 22g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 8 Calories 374 % Daily Value * Total Fat 24g 31% Saturated Fat 12g 61% Cholesterol 200mg 67% Sodium 1333mg 58% Total Carbohydrate 16g 6% Dietary Fiber 1g 2% Total Sugars 6g Protein 22g 44% Vitamin C 12mg 13% Calcium 321mg 25% Iron 2mg 11% Potassium 363mg 8% * Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ** Nutrient information is not available for all ingredients. Amount is based on available nutrient data. (-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.