Place the egg, vinegar, salt, mustard, sugar, shallot powder, and cumin in the bowl of a food processor fitted with the steel blade. Purée for 1 to 2 seconds. Add the olive oil, sambal oelek, and tomato paste. Purée again for 1 to 2 seconds. With the motor running, slowly drizzle the vegetable oil through the feed tube until the mixture thickens and becomes sauce like.