Preheat oven to 350°F degrees.
Grease loaf pan with butter thoroughly.
Mix flour, cocoa, baking powder, salt together.
Beat eggs and sugar until fluffy.
Add melted butter to egg mixture slowly.
Pour in milk and vanilla extract.
Fold dry ingredients into wet mixture gently.
Stir in chocolate chips and fudge sauce.
Pour batter into prepared loaf pan.
Bake for 50-55 minutes until done.
Cool in pan for 10 minutes.
Remove and cool on wire rack.