Stuffed Mushrooms

Aunt Gina's Stuffed Mushrooms are sure to become an instant favorite.  The hearty baby Bella mushrooms encase a mixture of savory onions, buttery Ritz, salty cheese and, of course, plenty of garlic.  Worth all the effort of washing, stemming  chopping, mixing and stuffing. They are comfort food at it's best! 

4 large boxes baby Bella mushrooms
1 small onion, chopped
1 heaping tablespoon garlic, minced
2 handfuls shredded cheese (your choice)
1 stick butter
1 to 1 1/2 rolls Ritz crackers

Preheat oven to 400 degrees.  Clean mushrooms and remove stems.  Chop stems and set aside.  Saute onions and garlic in butter.  Add stems and saute until soft.  Remove from heat.  Crush Ritz and add garlic and onion mixture.  Mix until crackers are moist.  Add shredded cheese.  Stuff caps and place on cookie sheet.  Bake 15 minutes.  Broil, closely monitoring, until top of stuffing is brown and crisp.