Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
                        - seasoned butter
   1 1/2  pounds        boneless beef sirloin -- 1
                        - inch thick -- cut into 1-1/2
                        - inch pieces
   1      medium        green pepper -- cut into
   1 1/2  inch          p
   8      large         fresh mushrooms
   8                    cherry tomatoes

Preparation:

Preheat grill for 10 minutes. Alternate beef, green pepper and mushrooms on four 12-14 inch skewers. Place kabobs on cooking grid. Brush with seasoned butter. Grill at medium with hood closed until well seared, 10-15 minutes, turning over and brushing with baste several times. Add cherry tomatoes to skewers during last 2 minutes of grilling. For Seasoned Butter: 1/2 cup butter or margarine, 1/2 tsp garlic powder, 1/2 tsp onion powder, 1 tsp parsley. Mix together and use as a baste.