Wash the lemon, peel the peel thinly. Squeeze the juice. Boil up with 1/8 l water, wine and cinnamon. Season to taste with sugar
Pears wash, halve and core out best with a ball cutter. Steam pears in the stock for 10-15 minutes. Lift out the pears, drain and sieve the stock.
Finely dice the plums. Crumble the biscuits. Mix both. Sprinkle with 4 tbsp. pear stock. Leave to stand for about 10 minutes.
Mix the remaining stock, mascarpone and liqueur. Roast the almonds until golden brown and fold into the plums. Fill pears with it
Divide the sauce between 4 plates. Arrange pears on top. Dust with cinnamon and icing sugar