Mushroom Crust Cheese Quiche

3/4 pound fresh mushrooms, chopped
5 tablespoons butter, divided
1/2 cup finely crushed saltines (12 crackers)
1/4 cup sliced green onions with tops
8 ounces Monterey jack cheese, shredded
1 cup cottage cheese
3 eggs
1/4 teaspoon pepper
Paprika

Saut