Melt sugar over medium high heat. As sugar melts, reduce heat and stir til sugar turns a brownish liquid caramel. Immediately pour into a 1 quart baking dish; tilt and swirl dish to evenly coat.
Mix the whole eggs, and egg yolks in a blender. Add milk, instant coffee and ground cinnamon. Blend well and pour over caramel coating. Set flan dish in baking pan and add hot water til halfway up outside of flan dish. Bake in 325 oven uncovered, for 1 1/2 hours. Flan is done when knife inserted comes out clean. Remove flan dish, refrigerate 3 hours
To serve, run knife around edges to free flan, place serving dish face down on top, hold together and turn over to let flan drop on dish. Spoon on excess sauce.