1. 1. Dissolve active dry yeast in warm water according to package instructions.

2. 2. In a mixing bowl, combine all-purpose flour, whole wheat flour, granulated sugar, and a pinch of salt.

3. 3. Add in crumbled cooked bacon, brewed coffee, melted salted butter, and vanilla extract. Mix until a dough forms.

4. 4. Knead the dough on a floured surface until smooth and elastic.

5. 5. Place the dough in a greased bowl, cover with a clean towel, and let it rise until doubled in size.

6. 6. Preheat the oven to 375°F (190°C). Shape the dough into a loaf and place it in a greased loaf pan.

7. 7. Bake for 25-30 minutes or until the bread is golden brown and sounds hollow when tapped.

8. 8. Let the bread cool before slicing and serving.