Strawberry Truffle Cake

Bahan-bahan (8 porsi)

• 1 box dark chocolate cake mix (plus ingredients called for on the box)
• 1/4 cup salted butter
• 1 & 1/3 cups whipping cream
• 1 10 -oz package bittersweet chocolate morsels
• 8 ounces semi-sweet chocolate chips
• 3 -4 cups strawberries (fresh, chopped)
• 6 strawberries (fresh, cut in half lengthwise)
• 1/4 cup white chocolate
• 1/2 teaspoon vegetable oil