Dairy free creamy salad dressing

This dressing will liven up a plain salad.

Flesh from 1 large ripe avocado
¼ cup avocado oil or olive oil
¼ cup lemon juice
¼ cup water
½ cup fresh parsley
1 teaspoon dried oregano
Salt and pepper
A pinch of chilli powder

Place all ingredients into a powerful blender or food processor and blend until smooth.