Dice the onion and cooked sausage into small 5mm pieces.

Wash the broccoli thoroughly and microwave until tender. Use only the florets.

Boil or microwave the potatoes until soft, then mash them with a fork.

Mix the mashed potatoes with mayonnaise, salt, pepper, diced onion, and sausage.

Shape the potato mixture into a cone on a plate to resemble a tree.

Decorate the cone with broccoli florets to mimic tree branches.

Add diced yellow bell pepper pieces as ornaments on the tree.