Firecracker Burgers

Ingredients

• 1 pound ground beef
• 1 cup finely chopped onion
• 1 (4 ounce) can diced green chilies, drained
• 2 teaspoons seasoned breadcrumbs
• 1 egg, beaten
• 1 teaspoon beef bouillon granules
• 1/4 teaspoon cayenne pepper, optional
• 4 slices pepper jack cheese
• 4 hamburger buns