Great orange stir fry sauce recipes. Simply combine all the sauce ingredients and add to your stir fry. Thicken with the thickening mixture below, if desired or necessary.Sauce Thickening Mixture: stir together 2 Tbsp. cornstarch with 2 Tbsp. water until smooth. Add a to your simmering sauce at the end, adding a bit at a time, until it thickens as desired.