01
Walnut Oil
10.0best for cookies1 tbsp : 1/2 tbsp
Toasted type; strong flavor so use less
10.0
sesame oil substitute
in cookies.
In Cookies, Sesame Oil controls spread and chewiness during baking. A substitute should deliver comparable fat so edges crisp while centers stay soft.
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adjustment for this dish
Walnut oil at 0.5 tablespoon per tablespoon sesame spreads slightly less because of its higher density at room temp, so reduce chill time from 45 minutes to 30 minutes in the fridge before the sheet pan hits a 375°F oven. The walnut flavor reads strongest in the crisp edges, which is where you want it.
02
Almond Oil
10.0best for cookies1 tbsp : 1/2 tbsp
Light sesame only; toasted is too strong
10.0
adjustment for this dish
Almond oil at 0.5 tablespoon per tablespoon gives a cleaner edge crisp because it has fewer flavor compounds to caramelize. Cream with both sugars for the full 90 seconds and chill drops to 38°F for 45 minutes — without sesame's aromatic oils the cookie relies entirely on sugar caramelization for top-note flavor.
03
Olive Oil
10.0best for cookies1 cup : 1 cup
Use light sesame for cooking, toasted to finish
10.0
adjustment for this dish
Olive oil at 1:1 cup produces cookies with more spread because it stays liquid at fridge temperature (while sesame oil clouds below 50°F and slightly thickens). Add a tablespoon of extra flour per cup of oil used, and scoop drops 3 inches apart to compensate for the wider footprint.
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04
Hazelnut Oil
10.01 tbsp : 1 tbsp
Nutty aromatic oil for finishing; 1:1 swap in dressings and cold dishes, not for high heat
10.0
adjustment for this dish
Hazelnut oil at 1:1 tablespoon deepens the caramel notes that form in golden edges during bake because its residual roasting aromatics survive 12 minutes at 375°F. Skip any added extract; the oil is its own flavor statement, and competing extracts muddy the finish.
05
Mustard Oil
10.01 tbsp : 1 tbsp
Pungent Indian oil with bold flavor; use in stir-fries and dressings, heat before using
10.0
adjustment for this dish
Mustard oil at 1:1 tablespoon is only appropriate in savory-leaning cookies (cheese, herb, seeded) because its pungency reads oddly against brown sugar. Heat it to smoking, cool fully, then use — this tames the isothiocyanate bite by about 70% and leaves a warm, nutty residual that survives the 10-12 minute bake.
06
Tahini
5.01 cup : 1/4 cup
For flavor only, not as thickener or spread
5.0
07
Flaxseed Oil
10.01 tbsp : 1 tbsp
Nutty finishing oil; only for drizzling and dressings, breaks down quickly when heated
10.0
08
Sunflower Oil
5.01 cup : 1 cup
Use light/refined sesame for neutral taste
5.0
09
Peanut Oil
6.71 cup : 1 cup
Strong flavor, best for Asian dishes in small amounts
6.7
10
Vegetable Oil
5.01 cup : 1 cup
Use light/refined, not toasted for cooking
5.0
technique for cookies
technique
Cookie dough made with sesame oil will spread 40-60% wider than butter dough unless you chill the shaped scoops to 38°F for at least 45 minutes before they hit the oven. Because oil is 100% fat with zero water (butter is about 16% water), the dough has less steam to push the structure up, so edges crisp fast and centers stay chewy — but only if the sugar ratio is at least 60% of the flour weight.
Cream oil with both granulated and brown sugar for 90 seconds only; beating longer aerates nothing because there is no plastic fat to trap bubbles, and it just dissolves the sugar and makes a greasy drop. 5 inches apart, and bake at 375°F for 10-12 minutes until the edges are golden but the center looks 20% underdone.
Rest on the sheet 5 minutes before the rack so the middles set. Unlike muffins where sesame oil is locked into a vertical paper cup and can only push crumbs up, cookies are free to spread horizontally, which is why chill time and scoop size matter so much more here.
pitfalls to avoid
watch out
Chill oil-based dough before baking; skip this and drops will spread into thin, crisp wafers with no chewy center, losing the edges-vs-middle contrast a good cookie needs.
watch out
Avoid scooping warm dough onto warm parchment or a hot sheet pan — residual heat melts the sugar-oil slurry and you get a single sheet pancake instead of discrete cookies.
watch out
Don't cream oil and sugar longer than 90 seconds; there is no plastic fat to aerate, so extra time just dissolves sugar crystals and eliminates the crackly top edge.
watch out
Reduce the flour by 1-2 tablespoons per cup if you switch from butter to sesame oil or the cookie will bake up dry and crumbly instead of golden and tender.