Picnic Cake

1 3/4 cup boiling water
1 cup oatmeal
1/2 cup butter
3/4 cup brown sugar
3/4 cup white sugar
2 eggs
1 3/4 cup flour
1 tsp soda
1 tsp cinnamon
2 TBSP cocoa
1/2 tsp salt
1 tsp vanilla
1 bag chocolate chips, divided
1/2 cup brown sugar

Preheat oven to 350 degrees. Pour boiling water over butter and oatmeal in mixing bowl. Let sit for 10 minutes. Add sugars and mix well using a spoon (not a mixer). Add eggs and mix. Add dry ingredients and 1/2 of chocolate chips. Pour into a greased and floured 9x13 pan. Sprinkle with remaining chocolate chips and 1/2 cup brown sugar over top. Bake at 350 for 30 minutes. Serve with whipped cream.