In a pan on a low flame, melt one tablespoon butter.

Add the spinach leaves and cook for 15 minutes until wilted.

Remove the spinach from the pan and set aside.

Heat another one tablespoon butter in the pan.

Add diced onion and garlic. Sautee until soft.

Add cream cheese and milk. Cook until boiling.

Add the cooked spinach. Mix well and cook until thoroughly heated.

Preheat oven to 375 degrees Fahrenheit (or heat a Betty Crocker pizza maker).

Wash the mushrooms and remove the stems.

Spray oil and sprinkle salt on the mushrooms.

Fill the caps with creamed spinach. Add grated cheese to cover the spinach.

Bake approximately 20 minutes, until cheese is melted and bubbly.