Bring a large pot of water to a boil and cook pasta until al dente. Drain well and set aside. Melt the margarine in a large saucepan, add garlic and saute 3 minutes. Whisk in flour to form a roux and cook, stirring constantly for about 5 minutes. Pour in the boiling water and stir to combine well. Reduce heat to low, add tamari,turmeric, salt and paprika.In a large mixing bowl, combine canola oil and nutritional yeast to make a smooth paste. Add the paste to the sauce, remove from heat and mix thoroughly. Add cooked pasta and mix.