01 - Preheat oven to 350°F. Line a 12-cup muffin tin with cupcake liners.
02 - In a medium bowl, whisk together flour, baking powder, and salt.
03 - In a large bowl, beat butter and sugar until light and fluffy, about 2-3 minutes.
04 - Beat in eggs one at a time, then mix in vanilla extract.
05 - Add flour mixture in three parts, alternating with milk, starting and ending with flour. Mix until just combined.
06 - Divide batter evenly among cupcake liners, filling each about 2/3 full.
07 - Bake for 16-18 minutes, or until a toothpick inserted in the center comes out clean. Cool in pan for 5 minutes, then transfer to a wire rack to cool completely.
08 - Beat butter until creamy. Gradually add powdered sugar, then vanilla and milk or cream, beating until fluffy.
09 - Divide buttercream into three bowls. Tint one pink, one yellow, and leave one white or tint green for leaves.
10 - Fit piping bags with small star or petal tips. Pipe flowers such as roses, daisies, and blossoms along with leaves onto cooled cupcakes.
11 - Garnish with edible flowers or sprinkles as desired.