1. Cook bacon in a large skillet over medium heat until crisp. Drain on paper towels.
2. Spread 2 teaspoons mayonnaise on 1 side of each bread slice. Divide spinach evenly among 4 bread slices; top with 2 tomato slices and 2 bacon slices. Sprinkle sandwiches evenly with salt and pepper. Top with remaining bread slices, mayonnaise side down. Cut sandwiches diagonally into halves, if desired.
MyRecipes is working with Let's Move!, the Partnership for a Healthier America, and USDA's MyPlate to give anyone looking for healthier options access to a trove of recipes that will help them create healthy, tasty plates. For more information about creating a healthy plate, visit www.choosemyplate.gov.