Broiled Cheddar

• 4 sandwich buns
• 2 eggs
• 1 butter
• 170 gr olives ripe
• 110 gr cheddar sharp
• 80 ml catsup
• 65 gr green bell pepper (chopped)
• 30 gr onion (chopped)
• 10 ml mayonnaise
• 10 ml mustard-prepared