Line a small tray or plate with parchment paper. This should be able to go into the freezer.
Using a tablespoon cookie scoop or spoon, place six tablespoons size amounts of Nutella on the parchment paper.
Freeze for 15 minutes and keep frozen until ready to use.
Preheat oven to 350F.
Lightly grease deep dish cookie pan (the Wilton muffin top pan)
Measure out 70 grams of sugar cookie dough per cookie. This is approximately 4 tablespoons of dough, or if you cut the sugar cookie log into 1" wide circles.
Press the cookie dough down into a flat circle. Place frozen Nutella in the middle of the cookie dough, wrapping the sides up around it. There should be no Nutella showing inside of the cookie.
Pour sprinkles into a small bowl. Press top of cookie into sprinkles.
Place cookie into baking cavity. Leave one baking cavity between each cookie, as cookies will spread.
If the dough has warmed up too much while you've been working with it, place the cookie sheet in the freezer for 5 minutes to cool the dough back down.
Cook at 350F for 20 - 22 minutes, or until edges of cookies are brown.
Let cookies cool completely before removing them from the pan.
Store in airtight container.