This indulgent, creamy tart is served at the Trattoria Garga in Florence. The use of English digestives—mildly sweet whole-wheat biscuits—gives the crust an appealing crumbly texture.
Make the crust: Heat oven to 350°F. Combine crushed biscuits and sugar in a bowl. Add butter and stir until well combined. Transfer crumb mixture to a 10″ tart pan with a removable bottom. Using your hands, spread mixture out in an even layer, then use your fingertips