Name: Tomato and Basil Sandwich
Ingredients: 1 hunk of whole grain baguette(4 oz?); 1-2 vine ripened beefsteak tomatoes(from my garden:); 1-2 bazil leaves torn; 1-2 thinly sliced red onion; a splash of balsamic vinegar or favorite ff italian dressing.

Why it works: Tomato and onion are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 20,633 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Tomato and Basil Sandwich

Ingredients

1 hunk of whole grain baguette(4 oz?)
1-2 vine ripened beefsteak tomatoes(from my garden:)
1-2 bazil leaves torn
1-2 thinly sliced red onion
a splash of balsamic vinegar or favorite ff italian dressing.

Directions

Thickly slice your tomatoes.
Assemble the sandwich.
Splash dressing over the sandwich and enjoy.

Nutrition, whole recipe (rough)

69Calories

2 gProtein

0 gFat

15 gCarbs

What these numbers assume: 3 portions

Ingredient	Portion assumed	kcal
Red Onion	1 medium (110g)	44
Tomato	1 medium (123g)	22
Vinegar	1 tbsp (15ml) distilled	3

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

Recipe from the Recipes Wiki (Fandom).

Steps grouped into stages for easier reading; the method is the source's own.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

Tomato + oniontop 8% of all pairs

Smell alikemoderate

Cooked together20,633 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Onion + vinegartop 14% of all pairs

Smell alikemoderate

Cooked together18,226 recipes

Shared aroma: acetic acid (sour, vinegar).
Tomato + vinegartop 16% of all pairs

Smell alikemoderate

Cooked together5,063 recipes

Shared aroma: beta-damascenone (apple, rose).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Whole grain baguette: Provides a sturdy base that holds the tomatoes, onion and dressing together.
Beefsteak tomatoes: Adds juiciness and a fresh, slightly sweet, acidic flavor.
Basil leaves: Adds a fresh, aromatic herbal note.
Red onion: Adds a sharp, pungent bite that balances the sweetness of the tomatoes.
Balsamic vinegar: Adds tangy acidity and a deeper, slightly sweet flavor.