Loaded Jalapeño Onion Smashies with Zesty Spread - Yummy Gusto

Ingredients

• 1/4 teaspoon garlic powder
• 1 teaspoon Worcestershire sauce
• 1/4 teaspoon kosher salt
• 3 tablespoons mayo
• 1 1/2 tablespoons ketchup
• 1/2 teaspoon ground black pepper
• 4 hamburger buns, toasted and halved
• 680g of 80/20 ground beef
• 1 large onion, thinly sliced (about 2 cups)
• 4 slices of American cheese
• 1 jalapeño pepper, sliced thinly (about 1/2 cup)
• 1 teaspoon of canola oil
• 1 1/4 teaspoons kosher salt, used throughout
• 3/4 teaspoon ground pepper, used throughout