1Spray frying pan with Pam
1. Grill Onions in pan until carmel color.
2. Mix 1 part Mayonnaise 1 part Mustard in bowl.
3. Spread Butter on outside of bread.
4. Spread mayo mixture on inside rye bread.
5. Build the rest of your sandwich add onions,roast beef and pepper jack cheese.
In seprate pan Grill sandwich to desired browning.