Whole Wheat English Muffins

Ingredients (9)

• 1 package (1/4 ounce) active dry yeast
• 3 tablespoons sugar, divided
• 1/4 cup warm water (110° to 115°)
• 1 cup warm 2% milk (110° to 115°)
• 3 tablespoons butter, softened
• 3/4 teaspoon salt
• 1 large egg, room temperature
• 1 cup whole wheat flour
• 3 cups all-purpose flour, divided