Place butter and cinnamon into a pre-heated sauce pan and keep at medium heat. Let it melt and add the diced apples. Add the sugar and mix gently to coat the apples.
Cook for about 4 to 6 minutes, while stirring gently. Remove from heat and let cool.
Cook the tortillas "La Abuela" as indicated on the package on a comal or skillet. Set aside.
Using a pastry brush, coat the tortillas with a mixture of your melted butter and cinnamon. Spoon fruit filling evenly down center of each tortilla. Roll up, and place, seam side down, in a lightly greased 2-quart baking dish.
Bring butter,sugars, and water to a boil in a medium saucepan; reduce heat, and simmer, stirring constantly for 2 minutes. Add the rum and cook for another minute.
Pour over apple tortilla rolls, and let them stand for about 20 minutes and begin to pre-heat your oven at 350.
Bake at 350° for 15 minutes.
Cut your apple tortilla rolls in half, and serve with vanilla ice cream.