Muffins made of bananas and oatmeal with an addition of your choice

Ingredients

3 large ripe bananas
2 large eggs 
180 g oatmeal 
50 ml oil 
60 ml maple syrup 
1 teaspoon vanilla extract 
1 teaspoon baking soda 
1 teaspoon baking powder 
1 teaspoon cinnamon 
¼ teaspoon salt

Preparation