What you will need:

 
1/2 c. butter
1 c. sugar
2 eggs
2 c. flour
1 t. soda
1/2 t. salt
 3 large bananas (really ripe are the best)
1 c. chopped walnuts (optional, may want to leave out if this is for your toddlers)
 
1.  Cream together the butter and sugar. Then beat in the eggs.
2. Mix in the dry ingredients and then add the mashed bananas and nuts
3.  Pour into a greased 9x5x2 inch loaf pan and bake at 350 degrees for 50-50 minutes.  You can also use small individual loaf pans for cupcake tins just watch the time, won't take as long.