2) Heat the grill or gas burners. Place the cleaned corn on the cob on the grill or burner. Turn the corn and lightly brown all the way around. Allow to cool and then slice the kernels off the cob.
3) Add the oil to a large saute pan over a medium heat, after 45 seconds add the onions and saute for 4 to 5 minutes. Add the French beans, corn and garlic. Saute for 4 minutes, deglaze with the wine, season with salt and pepper and add the butter.
4) Garnish with the plum tomatoes and Parmesan and serve.