Add cranberries, sugar, jalapeno, candied ginger and water to a sauce pan. Bring to a boil and simmer until cranberries soften (about 5 minutes). Serve as is or for smoother consistency, purée in food processor.
Score the fat of the duck breast in a criss-cross pattern with a knife. Season duck on each side with salt & pepper. Add canola oil to sauté pan over medium-low heat. When oil starts to sizzle, add duck breast to pan skin side down and cook for 12 minutes. Turn over and cook an additional 4 minutes. Remove duck from pan and let rest 5 minutes then slice into ¼ inch slices.