My Grandmother's Plantain Casserole from St. Lucia -- Caribbean

SERVES 4 (change servings and units) Ingredients 2 quarts water 2 large plantains, peeled (green) 1 egg, beaten 1/2 cup milk 2 tablespoons peanut butter 1 onion, minced 1 celery rib, diced small 1 dash salt, to taste 1/2 cup breadcrumbs Directions 1. Preheat oven to 350 degrees F. 2.In a large pot, bring several quarts of water to a boil, then drop the peeled plantains into the boiling water, reduce heat at least to medium-low & cook for about 15 minutes, or until quite tender. 3.Drain the plantains, then first chop them up & put them in a large bowl before mashing them somewhat. 4.In a medium bowl, whisk together the egg, milk & peanut butter, then add the onion & celery. Season to taste with a bit of salt. 5.Add this mixture to the plantains, stirring to mix thoroughly. 6.Pour the plantain mixture into a medium-size casserole dish, then sprinkle the top with the breadcrumbs. 7.Bake for about 35-45 minutes or until golden brown.