homemade italian dressing

3 tablespoons vinegar
1 teaspoon salt
2 cloves garlic, smashed
2 tablespoons minced onions
3/4 teaspoon coarse black pepper
2 tablespoons HP steak sauce
3/4 cup light vegetable oil (or olive oil if you prefer)
Combine all ingredients except oil in a blender or food processor fitted with a steel blade.
Continue processing as you slowly pour in the oil.
Process until smooth.
Continue processing for 30 seconds or until the dressing is fully combined and thickened.
Keep in a covered container in the refrigerator until needed.
Remove from refrigerator 1/2 hour before serving and re-blend if necessary.