Remove the saucepan from the heat. Stir in the baking soda until it is fully incorporated into the mixture.
Flavor Infusion: Add the unsalted butter and vanilla extract. Stir until the butter is completely melted and the mixture is smooth.Rest & Settle: Allow the mixture to rest undisturbed for 20 minutes.Nutty Finale: After resting, stir in the chopped walnuts or pecans until the glossy sheen of the mixture disappears. Transfer the candy to the prepared baking dish.Final Touch: Let the candy cool for 1-2 hours, or overnight. Slice into bite-sized squares and serve. Enjoy!
