Grilled Blue Cheese Burgers

2 1/2 lbs. ground sirloin
1/2 large red onion, finely chopped
1 egg
4 oz. crumbled blue cheese
1/2 t. hot sauce, such as Tabasco
ground black pepper, to taste
garlic salt, to taste
optional seasoning: salt, ground pepper

In large bowl, combine beef, onion, egg, blue cheese, hot sauce, pepper and garlic salt. Gently mix by hand.

Gently hand form into 8 burgers. Place in single layer on platter and, if desired, season again, with salt, pepper. Cook on preheated grill.

Serves 4-8.