100g beef sirloin, cut into 1-inch cubes
1/4 cup soy sauce
1 clove garlic, minced
1 tsp honey
1/4 red bell pepper, cut into 1-inch pieces
1/4 yellow bell pepper, cut into 1-inch pieces
1/4 small zucchini, sliced into 1/2-inch rounds
1 tsp olive oil
Salt and pepper, to taste
2 small wooden skewers (soaked in water for 10 mins)