Bisabuelitas Crock Pot Refried Beans Vegetarian

Name: Bisabuelita's Crock Pot Refried Beans (Vegetarian)
Ingredients: 1 lb pink beans (pinto beans or black beans can be substituted); 2 garlic cloves, finely minced; 1⁄2 cup onion, plus; 2 tablespoons onions, finely minced; 1 bay leaf; black pepper; 1⁄2 teaspoon cumin powder; 1 teaspoon Mexican oregano; 1⁄2 teaspoon liquid smoke, scant; 1 1⁄2 tablespoons real butter; salt, to taste; oil, for frying; Garnish; scallion, sliced; shredded sharp white cheddar cheese