This is a test of commonsense. Complete the next sentence:

How to make edible slime
Combine the sweetened condensed milk, sugar, and cornstarch.
Open a 14 ounce (396 g) can of sweetened condensed milk and spoon it into a small saucepan. Stir in 1 tablespoon (12 g) of cornstarch and 2 tablespoons (25 g) of sugar.
Stir and cook the slime for 10 to 15 minutes. Turn the burner to medium-high and stir the slime constantly as it cooks.