Fruit Center

Ingredients

• 6 tablespoons butter
• 1/3 cup vegetable oil
• 2 1/4 cups brown sugar
• 3 eggs
• 2 3/4 cups sifted all-purpose flour
• 1/2 teaspoon salt
• 1 cup walnuts, toasted and coarsely chopped
• 1 1/2 cups semi-sweet chocolate chips
• 1 teaspoon vanilla extract
• Sea salt