Preheat and prep. Heat your oven according to the cake mix or recipe. Line a 12-cup muffin pan (you’ll likely need 1.5 pans for 18 cupcakes) with cupcake liners.

Make the batter. Follow the package or recipe instructions. Don’t overmix—stir just until everything is combined.

Fill the liners. Use a scoop to fill each liner about two-thirds full. Consistent amounts help your cupcakes bake evenly.

Bake and cool. Bake as directed. The cupcakes are done when a toothpick comes out clean. Transfer to a cooling rack and let them cool completely before frosting.

Make the frosting. Beat softened butter until smooth and creamy, about 2 minutes. Gradually add powdered sugar, 1 cup at a time. Add vanilla, salt, and 2 tablespoons milk. Beat until fluffy, adding more milk if needed.

Tint the frosting. Add green gel food coloring a little at a time. Go a shade darker than you think—the color lightens when piped. Beat until evenly colored.

Prep your piping bag. Fit a piping bag with a grass tip (or star tip if you don’t have one). Fill the bag about two-thirds full and twist the top to seal.

Frost the base layer. Spread a thin, even layer of green frosting on each cupcake with an offset spatula. This helps the grass layer stick and cover any gaps.

Pipe the grass. Hold the piping tip just above the surface, squeeze, then pull up and release to create “blades.” Work in small clusters until the top is covered.

Add soccer balls. Place a mini soccer ball topper in the center or slightly off-center. Press gently so it sticks without squishing the frosting.

Optional details. Sprinkle green sanding sugar for sparkle, or draw simple white “field lines” with writing gel on a few cupcakes for variety.

Set and serve. Let the cupcakes sit at room temp for 20–30 minutes so the frosting sets slightly. Arrange on a tray or “field” of green tissue paper or artificial turf for a fun display.