Easy Basic Quiche

Pie crust, frozen or home made
3 eggs
2/3 c. half & half or 1/3 c. plain yogurt & 1/3 c. milk
1 c. Jack cheese, grated or combination of cheeses

FILLINGS: Pick and choose what you want or do them all
1/2 cup chopped ham
1/2 c. sauteed mushrooms
1 pkg. frozen spinach, (cooked or lightly cooked broccoli also good with shrimp)

Whip eggs until fluffy and add milk. Stir together and add filling mixture. Sprinkle cheese over bottom of pie crust and fill with egg-milk mixture. Bake at 375 degrees 35 to 40 minutes. Top will be golden brown. Allow to cool some before cutting.