INGREDIENTS
1
jar Peanut butter, unsweetened creamy
3 cups
Bittersweet chocolate chips
3 1/2 cups
Powdered sugar
1 tsp
Vanilla extract, all natural
1 tbsp
Canola oil
1/4 cup
Butter, unsalted very soft
3 tbsp
Milk
1/3 cup plus 3 tablespoons mini Reese's Pieces, divided