Lamb Kebabs

Ingredients

• 3 lbs boneless leg of lamb (trimmed of fat and cut into 1 to 1 1/2 inch cubes)
• 1 or 2 green peppers (depending on how much you like green peppers)
• 4 plum tomatoes
• 1 large red onion
• 1 cup olive oil
• 1/2 cup onion (minced )
• 5 tablespoons oregano (fresh, chopped)
• 1/4 cup red wine vinegar
• 2 teaspoons salt
• 1/2 teaspoon pepper
• 3 cloves of garlic (minced)
• 1 cup Greek yogurt
• 1/2 cucumber
• 2 tablespoons onion (minced )
• 1 teaspoon lemon zest
• 1 tablespoons lemon juice
• 1/2 teaspoon garlic (minced )
• salt and pepper to taste