Grilled Marinated Vegetable Kebabs

Marinade:

• 3 tablespoons vegetable oil
• 1 teaspoon chili powder
• 1/2 teaspoon paprika
• 1/4 teaspoon ground cumin
• 1/8 teaspoon ground red pepper
• 3 tablespoons fresh lime juice
• 2 tablespoons water
• 2 tablespoons chopped fresh cilantro
• 2 tablespoons tomato paste
• 1 1/2 teaspoons honey
• 2 cloves garlic, minced
• Salt, to taste

Kebabs:

• 2 red peppers cut into 1 1/2-inch pieces
• 2 green peppers cut into 1 1/2-inch pieces
• 2 yellow peppers cut into 1 1/2-inch pieces
• 4 yellow onions cut into 1 1/2-inch pieces
• 2 large yellow squash cut into 1 1/2-inch pieces
• 2 large zucchini cut into 1 1/2-inch pieces
• 1 medium eggplant cut into 1 1/2-inch pieces
• Marinade, recipe above