The Most Delicious Homemade Salt Water Taffy

Name: Homemade Salt Water Taffy
Prep time: 30 min
Cook time: 2 h
Total time: 2 h 30 min
Yield: 40
Ingredients: 2 cups granulated sugar; 2 tbsp cornstarch; 1 tsp salt; 2/3 cup water; 9 oz light corn syrup; 1 tsp vanilla extract; Green gel food coloring; Red gel food coloring; 2 tbsp butter, plus more for buttering hands and paper; 1 tbsp black sesame seeds