Get these warm and fluffy Amish Friendship Bread dinner rolls on the table in 30 minutes.
In the bowl of a stand mixer, combine warm water, olive oil, yeast, and sugar.
Let the mixture to rest for 10 minutes, or until yeast begins to bloom.
Add Amish Friendship Bread starter, half of the flour, salt, and egg to yeast mixture. Using a dough hook attachment, mix on low speed.
Add remaining flour gradually. Knead until dough becomes a smooth ball and the dough begins to pull away from the sides of the bowl.
Shape dough into 12 balls and place in a 9" x 13" pan lined with parchment. Balls should be evenly spaced but not quite touching.
Cover loosely with a dishcloth or oiled plastic wrap. Allow dough to rest for 10-15 minutes in a draft-free area.
Preheat oven to 400° F (205 °C).
Bake for 10 minutes until golden brown.
Remove from oven. After 2-3 minutes, transfer rolls to a wire rack to cool. Brush the tops with butter.