A simulation of breaking a chocolate glass jar using RBD and Flip Fluid in Houdini 15
Applied voronoi fracture and added a glue contraint for the Rigid Body fractured object. 
Used Flip Fluid with high viscosity to make the chocolate. 
35,000 particles were simulated.

Fracturing with voronoi in Rigid Body Solver:
Flip Fluid with high viscosity:

Still Frames: