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Export 4 ingredients for grocery delivery
Step 1
Preheat oven to 325 degrees F (165 degrees C). Lightly grease a 9x13-inch baking dish.
Step 2
Sprinkle cheese evenly in the bottom of the baking dish. In a large bowl, beat together eggs, milk, mustard powder, salt and pepper. Pour egg mixture on top of cheese.
Step 3
Bake in preheated oven for 40 minutes or until firm. Let cool slightly before cutting into squares to serve.