This is perfect for stir fries or for dipping (tofu, vegetables, shrimp, etc.) The amounts are somewhat approximate so taste as you go.
2T natural peanut butter
2T soy sauce
1/4 cup vegetable stock (use enough to get the consistency you want)
Lime juice (about one)
1t chopped ginger
1 clove garlic, chopped
1t sesame oil
2t honey or maple syrup
red pepper flakes or chili garlic sauce
Whisk everything together, then toss with cooked rice/noodles/vegetables/tofu/whatever.