Spinach Casserole

Ingredients

• 1/2 stick butter
• 1 1/2 c. chopped onion
• 1 c. sliced mushrooms
• 2 cloves garlic, minced
• 3 (10 oz.) pkg. spinach
• 1 tsp. Worcestershire sauce
• 1 pkg. cream cheese (8 oz.)
• 1/2 c. half and half
• 1/2 tsp. salt
• 1/2 tsp. pepper
• 1/2 c. bread crumbs
• 1 tsp. Tabasco
• 1/2 lb. grated Gruyere cheese