Start by washing and thinly slicing your cucumbers. I like to sprinkle a little salt and let them sit for 5-10 minutes to draw out excess water. This step keeps the sauce thick and prevents it from becoming watery.
While the cucumbers are resting, toast your peanuts lightly in a dry pan. I always watch them carefully to avoid burning. Toasting enhances their natural flavor and adds a satisfying crunch.
In a small bowl, combine peanut butter, soy sauce, rice vinegar, minced garlic, sugar, water, and chili flakes. Stir until smooth. I often taste and adjust spice or sweetness at this stage to get the perfect balance.
Drain excess water from cucumbers, then add them to the bowl with the peanut sauce. Toss gently to coat every slice evenly. Make sure the sauce clings to the cucumbers without overpowering them.
Top with fresh cilantro, green onions, or extra chopped peanuts for visual appeal and added flavor. Serve immediately at room temperature for the best taste and texture.