|Frozen chopped spinach||15 Ounce (1.5 Packages Of 10 Ounce)|
|Finely chopped onion||6 Tablespoon|
|Ricotta cheese||3 Cup (48 tbs)|
|Dried oregano leaves/1.5 tablespoons chopped fresh oregano||1 1⁄2 Teaspoon|
|Finely grated parmesan cheese||2 1⁄4 Cup (36 tbs) (Fresh)|
|Finely chopped mushrooms/Finely chopped fresh black olives||1 3⁄4 Cup (28 tbs) (Fresh)|
Thaw spinach and squeeze dry.
Mix with remaining ingredients.
Lightly grease miniature muffin cups (approximately 1 inch diameter).
Spoon in mixture.
Refrigerate if desired.
To serve, bake at 375 degrees for about 25 minutes, until mixture is firm and golden.
Cool 10 minutes and serve warm.
These may be frozen after baking.
To reheat, place frozen frittatas on baking sheets and bake at 375 degrees for about 10 minutes, until they are heated completely.
NOTE TO COOK: Either bake at home and reheat at party at 375, for 10 minutes if frozen, for 5 minutes if not or prepare and spoon into muffin tins and bake at party as directed.