Instructions: Combine ground beef, crushed onions, and feta cheese until just mixed. Divide in half and shape into two 4-inch patties.

Heat a medium nonstick skillet over medium-low heat. Add the patties, cover and cook 5 minutes. Turn and cook uncovered 3 more minutes, or until a meat thermometer inserted in the center of the patties registers 160 degrees and the juices run clear.

Place patties on muffin halves, top with Chunky Ketchup and serve with remaining muffin halves. Garnish plates with lettuce, tomato slices and cucumber slices.

This recipe yields 2 servings.

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