Made tart with LSD I cooked without recipe (9)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

ACID (slang for the drug LSD) + I + F [r] IED (cooked), without the R (abbreviation for Latin recipe = take, in old-fashioned drug formulations). Tart = tasting sour or acid, like unripe fruit.