This is a great dressing for salads and veggies.
1/4 cup Dijon Mustard
1/2 cup red wine vinegar
1/4 to 1/2 cup olive oil
1/4 of small red onion
Salt and Pepper
Step 1: Put everything except olive oil into a food processor and blend.
Step 2: While processor is running slowly add 1/4 cup of olive oil. Stop and scrap down sides and taste to see if you would like to add more olive oil.