1. Spray a baking sheet with baking spray and place it on a hot pad. Measure all of the ingredients and have them ready to go. In a medium-sized glass bowl, mix the sugar and corn syrup together.
2. Add the peanuts to the glass bowl and place in the microwave for 4 minutes. Remove the bowl
for the microwave and stir. Place the bowl back in the microwave for two more minutes and then stir. Place the bowl in the microwave again for another 2 minutes.
3. Remove the bowl from the microwave and quickly stir. Then add the butter to the hot mixture and stir again. Place the bowl back in the microwave for an additional 1 minute and 30 seconds.
4. Remove the bowl from the microwave and quickly add the baking soda and gently stir until mixed well. Pour the peanut brittle onto the greased baking sheet. With a greased rubber scraper, spread the peanut brittle out. Let it cool completely before breaking.