Spaghetti Squash Alfredo with Chicken and Caramelized Onions

Spaghetti squash, roasted

large onion, sliced

grass-fed butter

garlic cloves, minced

boneless chicken breasts, cubed

mayo, homemade or store-bought

Pacific Foods Original Almond Milk

garlic powder

onion powder

salt, more to taste

black pepper, more to taste

red pepper flakes, more to taste

fresh parmesan cheese

Chopped fresh parsley, for garnish