Step 1: Gather Your Ingredients - Start by gathering all your ingredients on the countertop.
Step 2: Mix the Peanut Butter and Liquid Ingredients - In a mixing bowl, combine the creamy peanut butter, rice vinegar, and soy sauce. Whisk until smooth.
Step 3: Add Sweetness and Spice - Stir in the brown sugar (or honey/maple syrup), grated ginger, minced garlic, and red pepper flakes. Mix until fully incorporated.
Step 4: Adjust the Consistency - Gradually add water, whisking continuously until you reach your desired consistency.
Step 5: Taste and Adjust Seasoning - Taste the sauce and adjust seasoning if necessary.
Step 6: Serve and Garnish - Transfer to a serving bowl and garnish with chopped roasted peanuts, green onions, and red pepper flakes.