Trim the sprouts.
Blanch or steam them for 4 minutes, then rinse under cold water.
When cooled, cut them in half vertically (You can keep them in the fridge for 3 days).
Mix the butter/dairy-free spread with the minced garlic and chilli flakes. Add some salt and pepper too.
Lightly oil a roasting tray, then put the halved brussels sprouts next to each other.
Crumble the spiced butter all over the sprouts.
Roast in the oven for about 10-15 minutes, until they look golden.
Add the flaked almonds and roast for another minute or so, until the almonds look golden.
Drizzle with lemon juice, then serve warm.