Combine whipped cream, brown sugar and salt in a sauce pan over medium heat, stir until well combined
Pour over mashed sweet potatoes, and beat at low speed
Beat 6 egg yolks, spices and chopped pecans at low speed
Separately beat 6 egg whites at room temp, until stiff peaks
Fold egg whites into potato mixture carefully, and place into greased 2 quart casserole container, set aside
Separately combine butter, whipped cream, brown sugar and melt under low heat
Add in chopped pecans, flour and rum extract
Once mixed, pour over the potato mixture
Place in 350 degree oven for 30 minutes. When done, garnish with orange slices.
