Juicy Grilled Burger Bowls with Fresh Vegetables

Ingredients

• 1 pound ground beef (80% lean)
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 4 cups mixed salad greens (such as arugula, romaine, and spinach)
• 1 cup cherry tomatoes, halved
• 1 small cucumber, sliced
• 1/2 red onion, thinly sliced
• 1 avocado, sliced
• 1/4 cup crumbled feta cheese
• 1/4 cup pickled jalapeños (optional)
• 4 hamburger buns, toasted and crumbled (optional, for garnish)
• 2 tablespoons olive oil
• 2 tablespoons balsamic vinegar
• 1 tablespoon Dijon mustard