Aunt Kathy’s Oven Burgers

8 wheat or sesame hamburger buns
2 lb ground sirloin or lean ground beef
1 1/2 Tbsp montreal steak seasoning blend
1 large onion, yellow
SAUCE

1/2 c mayonnaise
1 Tbsp catsup
1 Tbsp yellow mustard
4 slice dill pickle, finely diced
1/4 tsp garlic powder
1/4 tsp paprika
1-2 pinch cayenne pepper (optional)
american & swiss cheese slices
OPTIONAL BURGER ADDITIONS

1/3 pkg bacon bits
1 Tbsp garlic, minced
2-3 slice pickled jalapeno

How to make it :
Combine ground sirloin and montreal steak seasoning in large bowl, fold lightly. Do not overwork meat.

**optional additions 1 large clove garlic minced 
3T bacon bits
Fry burgers on stovetop or grill until they are light pink in the middle not quite fully cooked. they will continue to cook in the oven.
Add sauce to top and bottom of burger buns, add a slice of american cheese on one side of bun and a slice of swiss cheese on the other side then place cooked sirloin burger on bun and top with a slice of onion & jalepeno (optional).
Wrap each burger in foil and bake in oven at 350 degrees for 12-15 minutes. Just to melt cheese & cook onion slightly.