Earl grey and lemon muffins

Ingredients

• Lemon icing
• 1 1/2 cup icing sugar, sifted
• 1 tablespoon lemon juice
• 10 gram melted butter
• Earl grey and lemon
• 3 earl grey teabags
• 1/2 cup just-boiled water
• 125 gram softened butter
• 1/2 cup caster sugar
• 2 eggs
• 1 lemons, finely grated zest, plus 1 tablespoon juice
• 1 tablespoon poppy seeds
• 1 3/4 cup self-raising flour, sifted
• candied lemon or orange slices, to decorate