01
Lard
6.7best for quiche7/8 cup : 1 cup
Same solid fat texture and very high smoke point; makes exceptionally flaky pie crust
6.7
shortening substitute
in quiche.
Shortening plays a key role in Quiche, contributing to the savory custard filling. In the crust, its 100% fat content and plasticity create distinct flaky layers by keeping flour proteins separate; a swap must stay solid through mixing and blind-baking to prevent the custard from soaking into a greasy shell.
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adjustment for this dish
Lard at 0.875:1 produces a flakier crust than shortening because its crystalline structure sets in larger sheets; cut it into pea-sized chunks instead of shortening's dime flakes, and blind bake 2 minutes shorter since lard browns the crust faster. Pair only with savory fillings — the pork note carries through the rich custard.
02
Coconut Oil
6.7best for quiche1 cup : 1 cup
Same solid texture, works well in baking
6.7
adjustment for this dish
Coconut oil at 1:1 must be chilled to 40°F solid before cutting into flour or it melts under the rolling pin and the layered structure collapses into a crumbly tender shell. Use refined only — virgin's tropical edge fights the egg-and-cream filling. Blind bake at 400°F for 17 minutes, 2 minutes longer than shortening.
03
Palm Oil
5.0best for quiche1 tbsp : 1 tbsp
Same semi-solid consistency
5.0
adjustment for this dish
Palm oil at 1:1 tbsp sets similar flakes to shortening but at a slightly higher 95°F melt point, which means the blind bake steam-puff begins 20 seconds later and the crust needs an extra minute to reach golden. No filling or custard ratio change required.
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04
Butter
6.71 1/8 cup : 1 cup
Use equal amount butter; adds richer flavor and golden color to baked goods and pie crusts
6.7
adjustment for this dish
Butter at 1.125:1 carries 15% water that steam-puffs more dramatically, producing flakier layers than shortening but also a more fragile wedge; add 1 tablespoon extra flour to the dough to tighten the crumb, and blind bake with heavier pie weights to prevent the sides slumping under the custard pour.
05
Cream Cheese
6.71 cup : 1 cup
Cold, cubed for pie crust; makes tender flaky dough
6.7
adjustment for this dish
Cream cheese at 1:1 replaces shortening fat with 33% water and 10% dairy protein; this crust is tender and rich but not flaky — think pastry-cheese cookie. Reduce added water in the dough by 2 tablespoons per cup of flour, and blind bake only 10 minutes since the dairy proteins brown fast at 400°F.
06
Vegetable Oil
3.33/4 cup : 1 cup
Use 3/4 cup oil per 1 cup shortening; works in quick breads and cookies, not flaky pastries
3.3
07
Cooking And Salad Oil
3.31 cup : 1 cup
Use 7/8 cup liquid oil per cup shortening; works in quick breads and cakes, not flaky pastry
3.3
08
Margarine
3.31 cup : 1 cup
Softer texture; chill before cutting into pastry dough, works 1:1 in cookies and cakes
3.3
09
Ghee
3.31 cup : 1 cup
Adds nutty flavor, slightly softer pastry texture
3.3
10
Avocado Oil
3.33/4 cup : 1 cup
Use 3/4 cup liquid oil; best for quick breads
3.3
technique for quiche
technique
Shortening in quiche crust shatters into dime-sized flakes when cold, and those flakes steam-puff at 375°F to form the layered barrier that keeps the custard from seeping into the pastry and turning the bottom soggy. Blind bake the crust at 400°F for 15 minutes with pie weights, then drop to 350°F for the custard pour — this two-stage temp is what distinguishes a quiche crust made with shortening from one made with butter, which browns faster and needs only 12 minutes blind.
Use a custard ratio of 1 large egg per 1/2 cup cream, pour to within 1/8 inch of the rim, and pull the quiche when the center jiggles like set gelatin but doesn't wave — internal temp 170°F. Slice into wedges only after a 20-minute rest so the filling sets firm and the crust stays crisp.
Unlike the omelet where shortening merely greases the pan and never mingles with the egg, here shortening is structurally locked inside a flour matrix that must remain rich, tender, and golden through a 35-minute bake.
pitfalls to avoid
watch out
Don't skip the blind bake — a raw crust under a wet custard pour turns to paste by minute 20 and no amount of rich filling rescues a soggy bottom wedge.
watch out
Avoid rolling warm shortening; if the flakes melt before they hit the oven, the crust comes out short and crumbly instead of tender and golden in layers.
watch out
Skip over-pouring the custard past 1/8 inch below the rim; it boils over at 350°F and the egg spill glues the crust to the pan, wrecking clean slicing.
watch out
Don't pull the quiche when the center still waves — pull when it jiggles like firm gelatin, internal temp 170°F, or the filling weeps cream when sliced.
watch out
Rest 20 minutes before slicing; cutting hot collapses the custard set and the wedge slumps instead of holding its edge.