Preheat oven to 400 F.
Remove tomatillo husks and cut in half.
Cut jalapeño in half, lengthwise, removing ½ to all seeds (depending on how spicy you prefer your salsa).
Remove the skin of 2 garlic cloves, leaving whole.
Separate layers of the yellow onion half.
Place tomatillo, jalapeño, onion & garlic on a large baking pan. Drizzle w/ 1-2T of olive oil. Roast in oven for ~30 min.
Place the roasted tomatillo, onion, jalapeño & garlic and 2 handfuls of cilantro into a blender. Blend until just turning smooth.
Add 1 large or 2 small avocados and blend until just combined.
Add salt to taste.
Store in refrigerator for up to 1 week. Perfect for making ahead on your prep day to have on hand for snacks and meals all week long!
