INGREDIENTS
3 tbsp
oil
2 lb
stewing beef (, cut into 1 inch cubes)
3 tbsp
butter
2
sweet onions (, thinly sliced)
1
green pepper cored and sliced
1
red pepper (, cored and sliced)
2 cups
fresh button mushrooms (, sliced)
4
garlic cloves (, minced)
1 1/2 cups
beer (preferably a stout beer)
4 tsp
tomato paste
1 tsp
paprika
1 1/2 tsp
salt
1 tsp
ground pepper
6
fresh crusty buns
3 cups
grated swiss cheese