Preheat oven to 350 F. Grease a 9x13 inch baking dish.
In large bowl, mix eggs, lard, milk, and vanilla together.
In medium bowl, mix flour, sugar, baking powder, and salt.
Add dry ingredients to wet and mix until blended. Pour half the batter into your prepared baking dish.
In empty bowl, mix brown sugar and cinnamon until combined.
Sprinkle half the brown sugar cinnamon mixture on top of the batter. Top with remaining batter. Then top with remaining half of brown sugar cinnamon mixture.
Drizzle melted butter on top, using more or less as desired.