Roasted salsa burgers with avocado mayo recipe

Ingredients

• 2 pounds freshly ground chuck
• 8 Roma tomatoes, halved with seeds and pulp removed
• 1 white onion, peeled and cut into thick (1/2 inch) slices
• 3 tomatillos
• 2 poblano peppers
• 1 jalapeno
• 2 tbsp olive oil
• 1/3 cup chopped cilantro
• 1 cup mayonnaise
• 1/4 cup sour cream
• 1 ripe avocado, mashed
• 6 hamburger buns
• 3 cups shredded Monterey Jack Cheese