Name: Hovan
Ingredients: whole wheat flat vegan bread; tofu bacon (tofu fried in oil with tamari and liquid smoke); avacado, sliced thin; romaine lettuce; thinly sliced tomatoes; vegan mustard

Why it works: Lettuce and mustard match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,356 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Hovan

Ingredients

whole wheat flat vegan bread
tofu bacon (tofu fried in oil with tamari and liquid smoke)
avacado, sliced thin
romaine lettuce
thinly sliced tomatoes
vegan mustard

Directions

Spread a flat vegan bread with mustard.
Layer on, leaving 2 inches on top uncovered, lettuce, tomatoes, bacon and avocado.
Roll vegan bread from bottom to top.
Continue rolling hovan inside a paper towel diagonally so it's all tucked in.
Slice hovan in half through the paper towel.
Eat by peeling back paper as you go along.

Nutrition, whole recipe (rough)

732Calories

27 gProtein

23 gFat

104 gCarbs

Counts 8 of 10 ingredients. The other 2 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 8 portions

Ingredient	Portion assumed	kcal
Flour	1 cup (125g) all-purpose	455
Olive Oil	1 tbsp (14g)	119
Tofu	100g firm	76
Bacon	1 slice cooked (8g)	43
Tomato	1 medium (123g)	22
Soy Sauce	1 tbsp (15ml)	9
Romaine Lettuce	1 cup shredded (36g)	5
Mustard	1 tsp (5g) yellow	3
Wheat	not in our table	0
Smoke	not in our table	0

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.

Lettuce + mustardtop 1% of all pairs

Smell alikestrong

Cooked together1,356 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Lettuce + tomatotop 6% of all pairs

Smell alikemoderate

Cooked together1,655 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Wheat + tomatotop 7% of all pairs

Smell alikemoderate

Cooked together468 recipes

Shared aroma: 1-nonanal (fatty, waxy).
Wheat + lettucetop 8% of all pairs

Smell alikestrong

Cooked together105 recipes

Shared aroma: trans-2-hexenal (green, leafy).
Wheat + tofutop 8% of all pairs

Smell alikemoderate

Cooked together48 recipes

Shared aroma: (z)-4-heptenal (biscuit, cream).

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

What each ingredient does

Whole wheat flat vegan bread: Wraps the filling and holds the sandwich together as a roll.
Avocado (in the method): Adds creamy richness and fat that softens the other fillings.
Tofu bacon: Provides a savory, smoky flavor in place of meat.
Romaine lettuce: Adds crisp texture and fresh moisture to the wrap.
Tomatoes: Adds juiciness and a bright acidic note.

Swap the tomato

How well each one fits the dish's main ingredients (wheat, bread, tofu, lettuce, mustard):

Spinachfits better
Welsh onionfits better
Chivefits better
Tomatothe original

Fit is the average pairing score against wheat, bread, tofu, lettuce, mustard. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.