Add the room temperature butter to a large mixing bowl. Mix on medium - high speed for 1 minute.
On medium speed, slowly add the powdered sugar, heavy cream and vanilla.
Pause to scrape the sides and taste to see if salt is needed. Continue to mix for another 30 seconds on medium-high speed.
Add drops of yellow food coloring until desired shade has been reached.
Transfer the frosting to a piping bag for easier assembly.
On the board, pipe a large oval and fill in completely. Use an offset spatula to even out the frosting.
Line the outside with M&Ms and decorate with mini chocolate chips and sprinkles.
Fill The Dippers Around the Egg
Start with top corner to opposite bottom corner, fill in the board with cookies, pretzels, candies, etc. Do not leave any empty space. Be careful not to disturb the M&Ms border.