01
Tartar Sauce
10.0best for raw1 tbsp : 1 tbsp
Base ingredient, add relish and lemon
10.0
mayonnaise substitute
for raw.
Raw is mayo's home turf — at room temperature its 5-second whip stays glossy for hours because the lecithin in two egg yolks keeps a half-cup of oil suspended in droplets under 4 microns. Food safety here means acid: commercial jars hit pH 4.1 with vinegar so Salmonella can't grow, and any swap should match that acid floor or be refrigerated within two hours. Texture is judged by cling on a sandwich, brightness by lemon-acid balance.
top substitutes
adjustment for raw
1:1 by tablespoon, ready out of the jar. Same pH 4.1 acid floor as mayo plus the chopped pickle relish raises the antimicrobial salt-and-vinegar load further, so it holds at room temperature for the full 2-hour USDA window with margin to spare. Use it as the binder for cold tuna or shrimp salad without thinning.
02
Mayonnaise Dressing
10.0best for raw1 cup : 1 cup
Lighter commercial mayo-style dressing; 1:1 swap in sandwiches and salads, slightly sweeter
10.0
adjustment for raw
1:1 by cup. The lighter dressing has 35-50% oil versus mayo's 70%, so it spreads thinner on a sandwich and pools faster on a tomato — coat the bread, not the produce. Sweetness about 5% higher than mayo nudges egg salad and slaw toward dessert; cut sugar elsewhere or add an extra teaspoon of vinegar.
03
Creamy Dressing
10.0best for raw1 cup : 1 cup
Ranch-style creamy dressing; 1:1 swap in sandwiches and chicken salad, adds herb flavor
10.0
adjustment for raw
1:1 by cup. Ranch-style dressing's buttermilk acid runs pH 4.5, just above mayo's 4.1 floor, so refrigerate within 90 minutes instead of two hours. Herb-and-garlic flavor profile dominates over mayo's neutral base — best for chicken salad and grain bowls where dill or parsley is welcome, distracting on classic egg salad.
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04
Sour Cream
7.51:1
Tangy and thick; works 1:1 in dips and baked potatoes, less rich than mayo
7.5
adjustment for this dish
1:1 by unit. Sour cream's 20% fat versus mayo's 70% means it pools rather than coats — sandwiches get soggier 10 minutes earlier than with mayo. The pH 4.5 acid is close enough to mayo's 4.1 to hold safely at room temp for 2 hours, but adds a tang that pulls dips toward dairy and away from the neutral mayo register.
05
Cream Cheese
7.51 cup : 1 cup
Soften to room temperature; richer and tangier, works in dips and chicken salads
7.5
adjustment for this dish
Soften to 70°F first, then 1:1 by cup. Cream cheese is firmer than mayo at room temp — viscosity around 250,000 cP versus mayo's 30,000 — so it spreads thicker and stays put on a sandwich. Tang at pH 4.6 is close to mayo's 4.1 acid floor, but its dairy-protein body reads richer rather than slick.
06
Plain Yogurt
5.01 cup : 1 cup
Thin with milk if needed; tangy and mild, lower fat swap in dressings and dips
5.0
adjustment for this dish
1:1 by cup, thinned with a tablespoon of milk only if too stiff to spread. Yogurt's 3-5% fat against mayo's 70% means salads weep liquid within 30 minutes — strain the yogurt overnight in cheesecloth first to fix it. The pH 4.4 acid floor matches mayo closely enough for a 2-hour room-temp safety window.
07
Greek Yogurt
5.01:1
Qualitative substitution — adjust to taste
5.0
adjustment for this dish
1:1 by unit. Strained to about 10% fat with double the protein of regular yogurt, Greek yogurt holds shape on a sandwich better than thin yogurt does — closer to mayo's body. Tang at pH 4.3 sits right next to mayo's 4.1 acid floor. Add a teaspoon of olive oil per quarter-cup to recover the fat-rich mouthfeel.
08
Avocado
5.01 cup : 1 cup
Mash ripe avocado; creamy healthy swap in sandwiches and tuna salad, less tangy
5.0
adjustment for this dish
Mash one ripe fruit per cup. Avocado is 15% fat — almost all monounsaturated — versus mayo's 70%, so spread it thicker (about 3 tablespoons per sandwich) to get equivalent richness. Brown within 4 hours from oxidation; mash with a teaspoon of lemon juice per fruit to extend that to 24 hours in the fridge.
09
Dijon Mustard
10.01 tsp : 1 tsp
Adds creaminess in dressings; milder flavor
10.0
10
Hummus
6.71 tbsp : 1 tbsp
Creamy spread, very different flavor
6.7