Don't buy salad dressing. You don't need to be super exact with this, just eyeball it.
A pinch of sea salt, maybe 1/4 tsp.
A dash of black pepper, maybe 1/8 tsp.
1/2 tsp. Dijon Mustard
3/4 tsp. pure maple syrup
3 Tbsp. balsamic vinegar
1 shallot, minced (optional)
1/4 to 1/3 c. extra virgin olive oil
1) In a small bowl add the first 5 ingredients
2) Whisk in the olive oil
3) Taste for balance adding more salt, vinegar, oil or maple syrup in very small amounts, if needed, and drizzle over a large salad or store in the refrigerator for at least a week.