Cream butter and sugar in a large bowl.
Add eggs, and beat well.
Next, add vanilla and bananas, and mixing well.
Add dry ingredients alternating with the 7-Up, finishing with dry ingredients.
Pour into 2 greased loaf pans.
Bake for 45 minutes, until a toothpick inserted in the center comes out clean.
Cool in the pan for 10 minutes before removing and cooling completely.
Add eggs, and beat well.
Next, add vanilla and bananas, and mixing well.
Add dry ingredients alternating with the 7-Up, finishing with dry ingredients.
Pour into 2 greased loaf pans.
Bake for 45 minutes, until a toothpick inserted in the center comes out clean.
Cool in the pan for 10 minutes before removing and cooling completely.