Churro Chex Mix

Bahan-bahan (12 porsi)

• 4 cups rice Chex cereal
• 4 cups cinnamon Chex cereal
• 1 (11-ounce) package white chocolate chips
• ½ cup unsalted butter
• 1 cup powdered sugar
• ½ cup granulated sugar
• 3 teaspoons ground cinnamon