Make the glaze by adding the raspberries, lemon juice, water, and sugar to a small pot over medium-high heat. Once the mixture boils, mash the berries a bit, lower the heat and cook 2-3 minutes.

Preheat the oven to 220C/200C fan/gas 7. Gently heat the jam with the amaretto and lemon juice in a small saucepan until it loosens, then press it through a sieve into a large bowl (this may not be ...