Most weekends we go to an Indian buffet that we love in Cambridge.   I always salivate over the creamy  kheer in the large bowl being scooped generously by the patrons into delicious globs held by tiny overflowing cups.  Finally I decided to make a kheer that I too could enjoy.  Many may disagree and it's all good but white rice has little nutritional value for me so I used quinoa instead for my  recipe.  Plus I figured Gabrie...