In a small sauce pan over medium heat, melt the butter. Slowly stir in brown sugar and vanilla. Reduce the heat and slowly stir in oats and pecans. Remove from heat. Allow to slightly cool then transfer oats to a bowl. Place the bowl in the refrigerator to allow mixture to completely cool.

In a large bowl, mix Yoplait Original Apple Crisp and dried apple pieces. Line cookie sheet with clear plastic wrap. Evenly spread the mixture on to the cookie sheet. Sprinkle the oat mixture on top of the yogurt mixture. Lightly cover the cookie sheet. Place in freezer for 2 hours or until completely frozen. Cut into squares. Serve when ready to eat.