In a large microwave safe bowl, combine pretzels and peanuts; set aside. In a 1 cup measure combine all remaining ingredients. Microwave on high 45-60 seconds or until margarine melts. Stir to mix well. Pour over pretzels and peanuts, tossing to coat. Microwave on high 3-5 minutes, or until mixture is hot and margarine is absorbed, stirring after each minute. Spread on paper towels or brown paper bags to cool. When completely cool store in airtight tin.