Smashed Burger Tacos - Traeger Grills

Ingredients

• 1/4 Cup Traeger ‘Que BBQ Sauce or Traeger Texas Spicy BBQ Sauce
• 1/4 Cup mayonnaise
• 1/4 Cup finely chopped dill pickles
• 2 Tablespoon yellow mustard
• Kosher salt and freshly ground black pepper
• 2 Tablespoon mayonnaise
• 8 small (street-style) flour tortillas
• 1 Pound ground beef, preferably 85% lean
• 3 Tablespoon canola oil or other neutral flavored oil with a high smoke point
• 1 small white onion, sliced 1/4 inch thick
• 1 Cup shredded Monterey Jack cheese
• 1 Cup shredded romaine lettuce
• Sliced pickles
• 1 large plum tomato, sliced into 16 thin rounds