Belgian Waffle

1 envelope (2-1/4 teaspoons) active dry yeast

3 cups milk

3 large eggs, divided

3/4 cup unsalted butter (1-1/2 sticks)

1/2 cup sugar

1-1/2 teaspoons salt

2 teaspoons vanilla

4 cups flour

Melt butter in a saucepan and let cool. Warm 1/4 cup milk in a saucepan until it is warm (105-115 degrees). Whisk together the 1/4 cup warm milk and the yeast in a small bowl. Let stand until the yeast is dissolved, about 5 minutes. Warm 1/4 cup of milk in a saucepan until it is lukewarm (98-1...