Tomato and Onion Sandwich

Simplicity meets fresh flavor in this classic Tomato and Onion Sandwich, a quick and easy option for breakfast, lunch, or a light snack. Made with crisp lettuce, juicy tomato slices, and thinly sliced red onion layered between two slices of your favorite bread, this sandwich is lightly seasoned with salt and black pepper to enhance the natural sweetness of the vegetables. A creamy spread of mayonnaise ties it all together, and for an extra touch, toasting the bread with a bit of butter adds a subtle crunch. Ready in just 10 minutes and customizable with white, whole wheat, or sourdough bread, this no-cook recipe is perfect for busy days when you crave a fresh, wholesome bite. Serve as-is for a vegetarian delight or pair with a bowl of soup for a satisfying meal!

Nutriscore Rating: 58/100

Prep Time:10 mins

Cook Time:0 mins

Total Time:10 mins

Servings: 1

Ingredients

• 2 slices Sandwich bread (white, whole wheat, or sourdough)
• 1 medium Tomato
• 0.25 medium Red onion
• 1 tablespoon Mayonnaise
• 1 teaspoon Butter (optional, for toasting)
• 2 leaves Lettuce leaves
• 0.25 teaspoon Salt
• 0.25 teaspoon Black pepper

Directions

Step 1

Wash the tomato, onion, and lettuce thoroughly under cold running water. Pat them dry with a clean kitchen towel or paper towel.

Step 2

Slice the tomato into thin, even slices. Aim for enough slices to cover the sandwich bread without overlapping excessively.

Step 3

Peel the red onion and slice it thinly into rings or half-rings, depending on your preference.

Step 4

If desired, lightly butter one side of each bread slice and toast them on a skillet until golden brown. Otherwise, proceed with untoasted bread.

Step 5

Spread the mayonnaise evenly on one side of each slice of bread.

Step 6

Place the lettuce leaves on the mayonnaise-coated side of one bread slice.

Step 7

Layer the tomato slices evenly over the lettuce. Lightly sprinkle salt and black pepper over the tomato for added flavor.

Step 8

Add the onion rings or half-rings over the tomato slices.

Step 9

Top the sandwich with the remaining slice of bread, mayonnaise-side down.

Step 10

Press the sandwich gently to hold the layers together, slice it in half (diagonally or vertically, as you prefer), and serve immediately.

Nutrition Facts

Serving size	(263.5g)

Amount per serving	% Daily Value*
Calories	369.2

Total Fat 17.1g	0%
Saturated Fat 3.9g	0%
Polyunsaturated Fat 0.1g
Cholesterol 25.0mg	0%
Sodium 2134.3mg	0%
Total Carbohydrate 47.9g	0%
Dietary Fiber 3.9g	0%
Total Sugars 15.5g
Protein 7.8g	0%

Vitamin D 0.2IU	0%
Calcium 89.4mg	0%
Iron 2.5mg	0%
Potassium 343.0mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 40.9%

Protein: 8.3%

Carbs: 50.9%