Lub khob noom cookie rau muffins, pancakes thiab shortbread ncuav qab zib tsis muaj poov xab. Yuav ua li cas mus cuag nws friability thiab crumbling? Qhov zoo nkauj ntawm cov khoom ci no yog muab los ntawm cov pa roj carbon dioxide, uas tso tawm thaum lub sij hawm sib cuam tshuam ntawm cov dej qab zib thiab ib puag ncig acidic.
Ntawm 3 txoj kev uas twb muaj lawm los tua cov dej qab zib nrog vinegar, tsuas yog ib qho ua tau zoo.
1 – Yawg txoj kev: dej qab zib tau sau rau hauv ib rab diav, ncuav nrog vinegar, tos kom txog thaum sib tov "boils tshaj" thiab qhov tshwm sim yog ntxiv rau lub khob noom cookie.
Yog li ntawd, tag nrho cov pa roj carbon dioxide uas yuav tsum "fluff" cov khoom ci mus rau hauv huab cua. Qhov kev cawmdim nkaus xwb yog tias tus tswv tsev siv dej qab zib ntau dua thiab ib qho uas tsis muaj sij hawm los cuam tshuam nrog vinegar yuav twb qhia nws tus kheej hauv khob noom cookie.
2 – Cov txheej txheem ib txwm: Soda yog maj mam hliv rau hauv ib qho sib tov ntawm cov khoom xyaw ua khob noom cookie (cov hmoov nplej tseem tsis tau ntxiv) thiab ncuav nrog ob peb tee ntawm vinegar. Tom qab ntawd sib tov, sim ntes tag nrho cov hmoov. Tom qab 2-3 vib nas this, qhov sib tov yuav tshwm sim, koj yuav tsum sib tov tag nrho cov ntsiab lus, faib cov hmoov ci thoob plaws hauv lub ntim.
Hauv qhov no, feem ntau ntawm cov pa roj carbon dioxide tseem nyob hauv lub khob noom cookie.
3 – Txoj kev raug: Soda yuav tsum tau ntxiv rau cov khoom xyaw qhuav thiab vinegar rau cov khoom xyaw ua kua. Ntawd yog, ntxiv dej qab zib rau cov hmoov nplej, qab zib thiab lwm cov khoom xyaw ua khob noom cookie (nco ntsoov faib nws thoob plaws hauv ntim). Hauv ib lub tais nyias, sib tov tag nrho cov khoom xyaw ua kua (kefir, qe, qaub cream, thiab lwm yam). Ncuav nyob rau hauv qhov xav tau ntawm vinegar ntawm no thiab sib tov. Tom qab ntawd cov ntsiab lus ntawm ob lub tais yog ua ke thiab lub khob noom cookie yog kneaded.
Yog li cov hmoov reacts twb nyob rau hauv qhov sib tov, thiab cov pa roj carbon dioxide yog tag nrho khaws cia.