Preheat the oven to 375°F.
Heat oil in a large skillet over medium-high heat, add onion and garlic.
Cook until onions are soft. Stir in spinach. Remove from heat and allow to cool.
In a separate bowl, combine eggs, milk, cream of wheat, salt and pepper.
Mix well. Fold spinach mixture into egg mixture, add cheese. Pour into a greased 10-inch pie pan.
Bake for 30 minutes or until the quiche is firm in the center. Allow to cool 10 minutes before serving.
