- Preheat the oven to 350 degrees F. Grease a baking pan. 
- Mix together sugar, eggs, heavy cream, vanilla and milk in a bowl. 
- Pour over cubed bread and let sit for 15 minutes. Add the guava paste and mix well. 
- Pour bread mixture into prepared pan and bake for 35 to 45 minutes, or until set. Remove from oven.