Step 1 – Make the Buttercream:
- Beat softened butter on medium speed for 2 minutes until creamy.
- Add sugar, cream, and vanilla; beat on low for 30 seconds, then high for 2 minutes until smooth and fluffy.
- Stir with a spatula to remove air bubbles.
- Divide into bowls and tint with gel colors (green, purple, orange, black, white).
Step 2 – Monster Cupcakes (Green & Purple):
- Green Monsters: Pipe a swirl of green frosting using a small star tip (Wilton #21). Add one large candy eye in the center.
- Purple Monsters: Pipe small star dollops with purple frosting to cover the cupcake. Add multiple small candy eyes and sprinkles.
Step 3 – Pumpkin Cupcakes:
- Pipe curved vertical lines with orange frosting using a petal tip (Wilton #125).
- Add a small green stem with a star tip (Wilton #21).
- Draw black eyes, nose, and a smile with a round tip (Wilton #4).
Step 4 – Spider Web Cupcakes:
- Spread a flat layer of white frosting.
- Draw intersecting black lines using a round tip (Wilton #4) to form a web.
- Add half a mini Oreo as the spider’s body. Pipe legs and eyes, or attach candy eyes.