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While the process for making peanut butter has become more automated and efficient over the last century, the final product has changed very little. Here are the basic steps to making peanut butter:
- Raw peanuts are delivered to the manufacturing facility, where they are inspected for quality assurance.
- The peanuts pass through a special oven that roasts them to develop extra nutty flavor.
- When the peanuts reach their optimum flavor and color, the roasting process is stopped by cooling them quickly with fan-circulated air.
- A blancher removes the outer skin from the peanuts, after which they are split, cleaned and sorted.
- The prepared peanuts are ground in two stages to avoid generating too much heat, which can reduce flavor quality. The first stage reduces them to a chunky paste. The second stage incorporates additional ingredients—such as sugar and salt—and reduces the peanuts to the familiar, smooth peanut butter texture before final packaging.
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