Hollow out the top 1/4 inch of tomato halves with a spoon. Top each tomato half with 2 tablespoons pesto sauce and an onion slice. Arrange tomatoes in 2 foil pie pans.
Place tomatoes in the center of the grill rack. Cover and grill for 8 to 10 minutes or until tomatoes are heated through.
Please note that some ingredients and brands may not be available in every store.
Be the first to comment on this recipe!