Preheat oven to 350 degrees

Pour all the nonpareils into a bowl and mix until combined.

In a large mixing bowl, whisk together flour, baking soda, baking powder and salt.

In a large mixing bowl, mix together butter and sugar. Beat until light and fluffy, about 2 minutes.

Add egg and vanilla and mix well.

Add the dry ingredients all at once and mix for 5 seconds.

Mix the dough until the flour is incorporated.

Mix in 1/4 C of the nonpareil's into the cookie dough

Using 3/4 of the dough, flatten dough onto the bottom of the baking dish and set aside

Using a standing mixer, cream together the cream cheese and sugar

Add eggs, one at a time and beat until combined before adding the next egg.

Now stir in the sour cream and vanilla

Mix until combined.

Split batter into 3 bowls and add a few drops of each color into a bowl

Spoon 1 tablespoon of each color onto the cookie dough

Using the remaining cookie dough, crumble it on top of the cheesecake batter and sprinkle some more of the nonpareil's

Bake 1 hour and 10 minutes.

Once timer goes off, turn off the oven and crack the oven door open.

Let cool in the oven for 1 hour

Place the bars into the fridge to cool for a few more hours or overnight before enjoying.