Vicky'S Spinach Pie

Ingredients

• 1 lb. Ricotta cheese
• 1 c. grated Mozzarella or Cheddar cheese
• 2 Tbsp. cooking oil
• salt
• 1/2 zucchini squash, sauteed
• 1 (10 oz.) bag spinach, washed, cooked and drained
• 3 eggs, slightly beaten
• 1 tsp. onion and/or garlic
• 1/4 lb. sauteed mushrooms
• 2 Tbsp. butter