Skinny Corn Chowder with Poblano Peppers

Name: Skinny Corn Chowder with Poblano Peppers
Ingredients: 1 TBSP olive oil; 1 large onion, diced; 2 cups peeled and diced carrots; 2 cups diced celery; 1 large poblano pepper, ribs and seeds removed, finely diced; 2 cloves garlic, minced; 1 tsp. dried thyme; salt and pepper, to taste; 6 cups fat free, low sodium chicken stock ( I used Kitchen Basics); 2 cups peeled and diced yukon gold potatoes; 4 cups frozen corn kernels; 6 TBSP unsalted butter; 1 cup all purpose flour; 2 cups whole milk, warmed; a couple of dashes of hot sauce (optional); fresh parsley, to garnish