4 qts. unsalted popcorn, popped
1/2 c. butter
1/2 tsp. salt
1 c. brown sugar, packed
1/4 c. light corn syrup
1/2 tsp. baking soda
2/3 c. toasted sunflower seeds or peanuts (optional)

Divide popped corn between two large bowls. Set aside. Combine brown sugar, butter, corn syrup and salt in 4 cup glass measuring cup. Microwave on 100 percent power for 3 to 3 1/2 minutes, until mixture boils, stirring once. Lower power level to 30 percent and microwave for 4 minutes. Stir in soda. Pour 1/2 of the syrup evenly over each bowl of popped corn and add peanuts and stir lightly to coat. Microwave on 50 percent power, one bowl at a time, for 6 to 7 minutes, stirring twice.