For Chicken:

2 boneless skinless chicken breasts (about 1 pound)

2 tablespoons olive oil

1 teaspoon garlic powder

1 teaspoon paprika

1 teaspoon onion powder

½ teaspoon cumin

1 teaspoon salt

½ teaspoon black pepper

1 tablespoon lemon juice

For Filling:

4 large flour tortillas

2 cups chopped romaine lettuce

1 cup diced tomatoes

1 cup sliced cucumber

1 red bell pepper, sliced

½ cup shredded carrots

½ red onion, sliced

1 avocado, sliced

For Sauce:

½ cup plain Greek yogurt

2 tablespoons mayonnaise

1 tablespoon lemon juice

1 teaspoon Dijon mustard

½ teaspoon garlic powder

Salt and pepper to taste