Mascarpone and Raspberry Log

Ingredients (for 8 people)
For the sponge cake:
4 eggs 🥚
100 g sugar 🍚
100 g flour 🍞
1 pinch of salt 🧂
For the mascarpone cream:
250 g mascarpone 🧀
200 ml very cold whole liquid cream 🥛
80 g icing sugar 🍚
1 teaspoon vanilla extract 🍦
For the filling:
200 g fresh or frozen raspberries (thawed) 🍓
2 tablespoons raspberry jam 🍯