Boil butter and brown sugar on low for 3 minutes.
Line a jelly roll pan with foil and spray foil with Pam.
Line pan with saltine crackers.
Pour sugar/butter mixture over crackers.
Smooth over crackers.
Bake at 350 degrees for 5 minutes.
Take out of oven and sprinkle with chocolate chips.
Bake 2 minutes more.
Smooth out chocolate.
Sprinkle with sliced almonds.
Let cool.
Cut while still warm, then again when completely cooled.