Ingredients:

4 Cream Cheese
3/4 Milk
2 All-Purpose Flour
1/4 Salt
12 Eggs
2 Dijon Mustard
2 1/4 Cheddar Cheese
2 Swiss Cheese
1/2 Cooked Ham
Green Onion

Directions:

Line the bottom and sides of a greased 15x10x1-inch baking pan with parchment paper; grease the paper and set aside.
In a small mixing bowl, beat cream cheese and milk until smooth.
Add flour and salt; mix until combined.
In a large mixing bowl, beat the eggs until blended.
Add the cream cheese mixture; mix well and pour into prepared pan.
Bake at 375°F oven for 30-35 minutes or until eggs or puffed and set.
Remove from oven.
Immediately spread with mustard and sprinkle with 1 cup of cheese.,
Sprinkle with ham, onions and 1 more cup of cheese.
Roll up the omelet from a short side.
Peeling parchment paper away while rolling, sprinkle top of roll with remaining cheese and bake 3 to 4 minutes longer, or until cheese is melted.