Grandma's Lace Cookies

1 . Stage

Preheat the oven to 350 degrees F (175 degrees C). Line a baking sheet with aluminum foil and grease with cooking spray.

2 . Stage

Heat butter in a microwave-safe bowl in the microwave until melted. Dotdash Meredith Food Studios

3 . Stage

Add sugar and stir to combine. Add beaten egg and mix well. Stir in oats, flour, vanilla, salt, and baking powder. Dotdash Meredith Food Studios

4 . Stage

Drop teaspoonfuls of dough onto the prepared baking sheet, leaving plenty of room to spread. Dotdash Meredith Food Studios

5 . Stage

Bake in the preheated oven until edges are golden brown, about 8 minutes. Dotdash Meredith Food Studios

6 . Stage

Let cool completely before removing cookies from the foil. DOTDASH MEREDITH FOOD STUDIOS