Cherry Burgers with Smoked Gouda and Griddled Onions

Ingredients

• 1 lb ground beef
• 1/2 cup dried cherries, finely chopped
• 1/4 cup gluten-free or wheat breadcrumbs
• 1 teaspoon onion powder
• 1 1/2 teaspoons Worcestershire sauce
• 1/2 teaspoon salt
• 1/4 teaspoon freshly ground pepper
• Smoked gouda slices (or plain cheddar cheese is also good)
• 1 large yellow, white, or red onion
• 1 tablespoon olive oil
• 4 burger buns