Ricotta and spinach stuffed shells - a nice idea for lunch on Mother's Day

Nigella promoted her cookbook in several different TV shows here in Brazil and in one of them she baked her chocolate banana muffins – she said that they would be a nice treat for breakfast on Mother’s Day. Her comment reminded me of this recipe I cooked a while ago, the first one I tried from Martha’s wonderful vegetarian cookbook: I find it perfect for a celebration day, since it can be put