Grilled Banana Nut Bread Ice Cream Sandwiches

GRAMMIE’S BANANA NUT BREADPAM3 sticks butter, room temperature3 c. sugar5 large eggs8 ripe bananas, mashed1 T. vanilla extract4 c. all-purpose flour2 t. baking soda2 t. salt1 c. buttermilk, well shaken3 c. chopped roasted pecans1 ½ c. semi-sweet chocolate chips, optional1…