Paleo pistachio pesto chicken pasta

Pasta and macaroni Italian cuisine

1 medium spaghetti squash, halved, seeds and excess threads removed ½-⅔ lbs chicken, sliced or cubed 1 cup pistachios, unsalted and shelled 1-1½ cup basil leaves 2 garlic cloves ½-1 cup olive oil juice of 1 lemon salt and pepper to taste handful of sundried tomatoes, sliced, to garnish