Delicate vanilla cupcakes with pastel buttercream flowers

Ingredients

• 1 1/4 cups all-purpose flour
• 1 cup granulated sugar
• 1/2 cup unsalted butter, softened
• 2 large eggs, room temperature
• 1/2 cup whole milk
• 1 1/2 teaspoons vanilla extract
• 1 1/2 teaspoons baking powder
• 1/4 teaspoon salt
• 1 cup unsalted butter, softened
• 3 1/2 cups powdered sugar, sifted
• 2 to 3 tablespoons whole milk
• 2 teaspoons vanilla extract
• Food coloring gels in pink, yellow, lavender, and green