Souvlaki Greek Meat on a Stick

Name: Souvlaki - Greek Meat on a Stick
Ingredients: 1 1/2 pounds pork tenderloin cut in cubes about 1 to 1 1/2 inches; 3 lemons ( the third reserved for squeezing on the meat at serving time); 1/2 cup olive oil; 2 cloves minced garlic; 1 teaspoon salt; 1 teaspoon black pepper; 2 teaspoons dried oregano; 1 teaspoon dried basil; 1 teaspoon Hungarian paprika; Green bell pepper and white onion slices (optional)