Preheat oven to 350°F. Spray a 9"x13" baking pan with baking spray. Set aside.
In a small bowl, melt the butter in either the microwave or in a small saucepan.
Using a large bowl, whisk together the melted butter, canola oil, and sugars
Whisk in the eggs and 2 teaspoons of vanilla extract.
Use another large bowl to whisk the dry ingredients together flour, cocoa, salt, and baking powder.
Gradually whisk the dry ingredients into the wet.
Fold in the chocolate chips.
Pour batter into the prepared baking pan and bake in the preheated oven for 25-30 minutes or until a toothpick comes out clean.
Cool completely before cutting into small bite-size bars. Set aside
How to make the cupcakes
Preheat oven to 350°F. Line a cupcake pan with cupcake liners.
Using a hand mixer with beaters attached, beat the cake mix, eggs, milk, and softened butter until combined and smooth.
Scoop batter into the liners, filling about 3⁄4 way up. Bake in the oven for 21 minutes, cupcakes should be cooked through. Prick the center of the cupcake with a toothpick to ensure cupcakes are finished baking.
Allow cupcakes to cool before removing cakes from the muffin pan.
Chocolate Frosting
Using a standing mixer with the paddle attachment, beat the butter, confectioners sugar, cocoa powder, heavy whipping cream, and vanilla extract until combined, smooth and stiff.
Scoop the frosting into the piping bag and set aside.
Chocolate Ganache
Using a small saucepan, bring the heavy cream to a boil.
Pour over the chocolate chips in a medium bowl and let sit for 1 minute. Whisk until smooth.
Scoop the ganache into the piping bag and cut off the tip. Drizzle the ganache over the brownies and sprinkle the confetti sprinkles on top. Allow the ganache to harden for 30 minutes.
Build the cupcake
Using the chocolate frosting, frost a ring of frosting around the top of the cupcakes
Sprinkle Valentine's Day sprinkles on the frosting.
Carefully place the brownie bite in the center of the frosting. Pipe a dollop of frosting in the center and sprinkle some more confetti heart sprinkles on top
Grab a large glass of milk before enjoying these cupcakes!
Notes
Be sure to check Expert Tips and FAQs above with important tips and questions that can help make a delicious recipe.Storage: These cupcakes should be kept in an airtight covered container at room temperature or in the refrigerator. They store well for up to 3-4 days.
Eileen Kelly, recipe creator at Everyday Eileen is not a registered dietician, I do my best to provide the most accurate nutritional values. Any nutritional data I provide is an approximation. Actual dietary information can vary based on ingredients and portion sizes.