"Spread whole wheat buns with lime dressing and then top with grilled chicken and zucchini to make these main-dish sandwiches...."
INGREDIENTS
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1/4 cup fat-free mayonnaise dressing or salad dressing
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1/2 teaspoon finely shredded lime peel or lemon peel
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1 medium zucchini or yellow summer squash,* cut lengthwise into 1/4-inch-thick slices
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3 tablespoons Worcestershire sauce for chicken
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4 skinless, boneless chicken breast halves (1 to 1-1/4 pounds total)
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4 whole wheat hamburger buns, split and toasted