Place pecans in a 3-1/2- to 4-quart crockery cooker. In a bowl combine the melted margarine or butter, soy sauce, five-spice powder, garlic powder, ginger, and red pepper. Pour over nuts. Stir to coat nuts.
Cover; cook on low-heat setting for 2 hours. Uncover and stir. Turn to high-heat setting. Cover and continue cooking on high-heat setting for 15 to 30 minutes. Cool. Makes about 4 cups (1/4 cup per serving).