Grilled Burger With Swiss Cheese & Sauerkraut

Ingredients:

2½ oz. ground beef
1 tsp. mustard
½ oz. arugula
½ oz. red onion
1 tsp. ground cumin
1 tsp. butter
1 tsp. garlic
1 tbsp. parsley
2 tbsp. sauerkraut
1 slice Swiss cheese