Spaghetti Squash “Capellini” with Sweet Pepper Marinara - Jazzy Vegetarian - Vegan and Delicious!

Ingredients

• 1 large sweet onion, thinly sliced
• 2 tablespoons plus 2 teaspoons extra-virgin olive oil, divided
• 1 1/2 tablespoons tamari (use gluten-free if needed)
• 1 1/2 teaspoons Italian seasoning blend, divided
• 1/2 cup plus 2 tablespoons water, plus more as needed
• 1 medium red or orange sweet bell pepper, seeded and chopped
• 1 can (26 to 28 ounces) crushed tomatoes (fire-roasted are nice)
• Scant 1/8 teaspoon crushed red pepper
• 1 medium to large spaghetti squash, sliced in half lengthwise
• Sea salt, to taste
• Freshly ground black pepper, to taste
• Parsley sprigs or fresh basil, for garnish (optional)