Add dates to a small bowl, and cover with the hot water, let sit for 15 minutes. Pour water into a blender, peel the skin of dates and toss in the blender. Blend still smooth, then add lemon juice, mustard, paprika, salt, and black pepper, and blend. slowly drizzle in the olive oil. Do not over mix the olive oil, it may make the dressing bitter. Pour into a container with a lid and refrigerate. Makes about 1 cup.