Try this kale, spinach and basil pesto recipe, or contribute your own.
Try this kale, spinach and basil pesto recipe, or contribute your own.
Can a food processor really break down fibrous raw kale and tough almond skins without turning the sauce into a bitter puree? Achieving the right consistency depends heavily on mechanical shearing force and thermal control. When toasted almonds are added warm, their residual heat can cook the delicate basil leaves, dulling their vibrant green chlorophyll into a muddy olive drab. Cooling those toasted nuts completely before processing protects both color and volatile aromatic compounds.
Standard heavy-duty food processors handle this dense mixture easily, but smaller mini-prep attachments require splitting the ingredients into two separate batches to prevent motor strain and uneven chopping. Scrape down the bowl sides once or twice using a rubber spatula to ensure the unblended leaves near the top reach the rotating blades. If using a high-speed blender instead of a processor, pulse carefully rather than running it continuously to retain the characteristic chunky texture provided by the nuts.
Fresh garlic cloves deliver potent allicin compounds that provide sharp pungency, whereas pre-minced jarred alternatives rely on citric acid preservation, which flattens the bright punch of the lemon juice. Raw whole almonds offer natural oils that emulsify with the olive oil when sheared mechanically. Storing the finished green sauce tightly packed in an airtight mason jar minimizes air exposure, limiting oxidation that turns bright green leaves brown over several days in the refrigerator.