Melt butter in a large frying pan over medium-high heat. Add meat and brown well. Throw into the slow cooker.
2 tablespoons butter, 2 pounds lamb stew meat
Add onions, garlic and carrots to the frying pan and sauté until soft. Sprinkle flour over the vegetables, stir well, and add beer to the deglaze pan. Add all to the slow cooker.