Per 1 Tbsp. it comes out to: 105.57 Calories, 11.29g Fats, 0.57g Net Carbs, and 0.65g Protein.
If you don't have an emulsion blender, you can put everything into a bowl and stir until well combined.
Adding about 1 Tbsp of finely diced onion instead of the onion powder is equally good.