Mushroom-Topped Burgers With Slow-Roasted Tomato Ketchup Recipe

Ingredients For Mushroom-Topped Burgers With Slow-Roasted Tomato Ketchup Recipe

• 1 Recipe slow roasted tomato ketchup, or purchased ketchup of choice
• 6 ounce Aged gouda cheese, coarsely shredded
• 6 ounce Oyster mushrooms, coarsely sliced
• 1 teaspoon Snipped fresh thyme
• 0.5 teaspoon Kosher or sea salt
• 1 tablespoon Extra virgin olive oil
• 1.25 pound Ground beef chuck
• 3 Cloves garlic, minced
• 6 Large leaves butterhead boston lettuce
• 6 Hamburger buns, split and toasted
• 1 Medium onion, cut into large chunks
• 1 pound Roma tomatoes, halved and seeded
• 2 tablespoon Dark brown sugar
• 1 tablespoon Extra virgin olive oil
• 1 tablespoon Hoisin sauce