Preheat your oven to 350 degrees Fahrenheit. Line two 12-well muffin pans with cupcake liners.
In a stand mixer, using the paddle attachment, beat sugar and butter until pale and fluffy.
1 3/4 cups granulated sugar, 3/4 cup unsalted butter
Add eggs, strawberry puree, strawberry and vanilla extracts, sour cream and oil.
3 large eggs
In a separate bowl, whisk flour, baking powder, baking soda, and salt.
2.5 cups all-purpose flour, 3 teaspoons baking powder, 1.5 teaspoons baking soda, 1/2 teaspoon salt
Alternate adding flour mixture and milk to the stand mixer, mixing until just combined. Begin and end with the flour mixture.
3/4 cup milk
Scoop batter into cupcake liners using a cookie scoop (These ones are great) and bake for 17-21 minutes. Let cool completely.