Preheat oven 375°F. 

In large bowl cream peanut butter, bacon fat, coconut oil, both sugars, and sludge. 

Beat in the egg, milk and vanilla one at a time until fully mixed.

In separate bowl whisk together flour, baking powder, and salt. 

Slowly add the flour mixture into the creamed mixture. 

Roll into large balls and place onto an undressed cookie sheet.

Bake 8-10 min or until edges are lightly brown.