2 pounds lean ground sirloin |
1/3 pound smoked gouda cheese, diced into 1/4 to 1/2-inch cubes |
1 medium onion or 1/2 large onion |
2 teaspoons smoked sweet paprika, 2/3 palm full |
1 teaspoon ground cumin, 1/3 palm full |
grill seasoning (recommended: montreal steak seasoning) |
coarse salt and freshly ground black pepper |
2 cloves garlic, grated or finely chopped |
generous handful finely chopped fresh flat-leaf parsley |
1 tablespoon worcestershire sauce |
1/2 (12-ounce) bottle beer |
extra-virgin olive oil, for drizzling |
1/2 cup spicy brown mustard |
1/4 to 1/3 cup sour cream |
2 to 3 tablespoons chopped fresh dill or 1 teaspoon dried dill |
4 crusty kaiser rolls, split and lightly toasted |
green or red leaf lettuce, for topping |
sliced sweet bread and butter pickles, for topping |