Foryoueats: Summer Berry Trifle

Ingredients

• ¾ cup (8 oz) seedless raspberry jam
• 1 quart (1½ pounds) strawberries, hulled and cut into ¼-inch slices
• 1 pint (12 oz) raspberries
• 1 pint (12 oz) blueberries
• 1½ cups heavy whipping cream, cold
• 16 ounces cream cheese (preferably Philadelphia brand), at room temperature
• 1¾ cups confectioners' sugar
• 1 teaspoon vanilla extract
• 1 (7 oz) package crisp lady fingers (also called savoiardi biscuits)
• Fresh mint spring, for garnish (optional)