by The Beef Checkoff

4 Servings • 15 Min. Prep Time • 18 Min. Cook Time

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Ingredients

1 lb. ground beef (95% lean)

1/4 c. low-fat or regular plain Greek-style yogurt

1/2 c. olive tapenade, divided

1 small sweet onion, thinly sliced

1 small zucchini, thinly sliced

1/4 c. crumbled feta cheese

4 whole-grain hamburger buns, split, toasted

Fresh spinach leaves

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Directions

1. Combine yogurt and 1/4 c. tapenade in small bowl. Cover and refrigerate until ready to use.

 

2. Combine ground beef and remaining 1/4 c. tapenade in large bowl, mixing lightly but thoroughly. Lightly shape into four 1/2-in. thick patties.

 

3. Heat grill pan over medium heat until hot. Place patties in pan; cook 10-12 min. until instant-read thermometer inserted horizontally into center registers 160°F, turning occasionally. Season with pepper, as desired. Remove; keep warm.

 

4. Add onion and zucchini to grill pan over medium heat; season with salt and pepper, as desired. Cook 5-6 min. or until lightly browned and crisp-tender, turning occasionally.

 

5. Place 1 Tbsp. cheese on bottom of each bun; top evenly with spinach leaves, onion, burger and zucchini.

 

6. Spread 2 Tbsp. yogurt mixture on cut side of each bun top.

 

7. Close sandwiches.