Avocado Burger Recipe

Name: Avocado Burger Recipe
Prep time: 10 min
Cook time: 8 min
Total time: 18 min
Cuisine: American
Ingredients: 1 avocado; ¼ cup Greek yogurt ( or sour cream); 1 lime (zested and juiced); 1 teaspoon salt; ½ teaspoon black pepper; ½ avocado; 1 pound ground beef (90% lean); ½ teaspoon salt; ¼ teaspoon black pepper; 1 tablespoon olive oil; 4 hamburger buns (for serving); Lettuce and tomato slices (for serving)