Teriyaki Smash Burger - Desert Airs

Ingredients

• 1/3 lb Hamburger
• 1 slice Red onion yellow and white are fine
• 1/2 Tbsp Butter
• 1 Ea Hamburger Bun
• 1 slice Pineapple
• 1 slice Provolone
• 1 slice White American or regular american
• 1 tbsp Teriyaki Sauce I like Panda Express's Teriyaki or P.F. Chang's
• 1 Tbsp Mayonaise
• 1 Leaf Iceberg Lettuce