Classic English Trifle with Custard and Berry Layers - My Home Made Recipe

Ingredients

• 4 cups whole milk.
• 8 large egg yolks.
• 1/2 cup granulated sugar.
• 4 tablespoons cornstarch.
• 1 1/2 teaspoons vanilla.
• 1/2 cup butter, cut up.
• 1 9x13 white/yellow cake.
• 1/2 cup cream sherry.
• 3 tablespoons raspberry jam.
• 2 cups sliced strawberries.
• 1 cup raspberries.
• 1 tablespoon cream sherry for fruit.
• 1 tablespoon sugar for fruit.
• 1 1/2 cups heavy cream.
• 1 teaspoon powdered sugar.