Place avocado, oil, buttermilk and vinegar into blender and blend on low until ingredients are combined.
Season with salt and pepper to taste.
Transfer to a bowl, cover with plastic wrap and set aside in the fridge.
Heat skillet on medium-high heat then add pancetta.
Cook pancetta, but do not allow it to get crispy.
Add garden and snow peas and cook until warm through, then remove from heat immediately.
Allow peas mixture to cool for 5 mins and remove dressing from fridge at the same time.
Transfer peas mixture to a bowl then add pea leaves or shoots and combine.
Add 2 tbsp of dressing to salad and mix thoroughly, then place the balance of the dressing in a small serving bowl and serve together.