Mexican Lentil Soup (Lentejas)

Ingredients

• 1 tablespoon vegetable oil
• 1 medium onion (diced)
• 1 celery rib (diced)
• 1 large carrot (diced)
• 1-2 jalapeno peppers (diced (use bell pepper for milder))
• 4-5 cloves garlic (minced)
• 1 cup tomato sauce
• 1 teaspoon dried Mexican oregano
• 1 teaspoon ground coriander
• Salt and pepper to taste (about 1/2 teaspoon each)
• 6 cups chicken broth (or vegetable broth)
• 1-1/4 cup dry lentils (rinsed and cleaned)
• 1 medium potato (diced (about 1 cup))
• Garnish. Red chili flakes (fresh chopped parsley, squeeze of lime)