Ham, Egg, Potato Cheesy Casserole

This is a great casserole for Saturday morning breakfast.
Ingredients:
1 1/2 c. ham diced into bite size pieces
2 tbls. olive oil
1/2 onion diced small
1 large potato diced small
1 1/2 c. grated colby or cheddar cheese
6 eggs
1/4 c. milk
1/4c. sour cream
salt and pepper to taste
Instructions:
place olive oil, ham, onions, and potatoes in a skillet and cook on medium high heat until onions are soft. Stir often to ensure all of them get cooked. Salt and pepper to taste.This takes about 10-12 minutes. While this is cooking put eggs, milk and sour cream in a bowl and mix well. When the ham mix is finished place in a 1 1/2 quart casserole dish, layer the cheese on top and then pour the egg mixture on top of everything. Bake in the oven at 350 degrees for 40 minutes. Serve with hot biscuits or toast and you have a complete filling meal for breakfast.