Rosemary Garlic Steak Kebabs

• 14 oz Sirloin

• 1 1/2 lbs Baby potatoes

• 3 cloves Garlic

• 2 cups Grape tomatoes, whole

• 2 tbsp Rosemary, fresh

• 1/2 cup Balsamic vinegar

• 2 tbsp Honey

• 1 tbsp Mustard, whole grain

• 1 Pepper

• 1 Salt

• 1/3 cup Olive oil

• 6 Metal or wooden skewers