In a sauce pan, add 1 tsp oil, add the spinach, cover and cook it.
Heat butter in a pan. Add the chopped garlic and onion.
Add the flour and stir. Immediately add milk and stir it in slow flame.
Add the salt and pepper according to tatse.6) Add the cooked spinach and mix well.7) Keep this mixture aside.8) Cut the sides of bread slices and spread the spinach mixture in it.