Sourdough Starter - cooking recipe

Ingredients

1 pkg. active dry yeast
1/2 c. warm water (105~ to 115~)
2 c. all-purpose flour
2 c. warm water
1 Tbsp. sugar

Preparation

In a medium mixer bowl, combine yeast and 1/2 cup warm water. Stir until yeast is dissolved. Stir in flour, 2 cups warm water and sugar.
Beat until smooth. Cover with cheesecloth.
Let stand at room temperature for 5 to 10 days or until bubbly.
Stir 2 to 3 times each day.