Frittata Hors D'Oeuvres - cooking recipe

Ingredients

1/2 (10 oz.) pkg. frozen chopped spinach
1 c. Ricotta cheese
3/4 c. grated Parmesan cheese
2/3 c. chopped mushrooms
2 Tbsp. chopped onion
1/2 tsp. oregano
1/4 tsp. salt
1 egg
sliced pepperoni sausage (optional)
sour cream

Preparation

Thaw spinach and squeeze dry.
Mix with Ricotta, Parmesan, mushrooms, onion, oregano, salt and egg.
Lightly butter 24 (1-inch) muffin cups.
Place a slice of pepperoni in the bottom of each if you like.
Spoon cheese mixture into cups.