Basic Veggie Tacos

Ingredients

• 2 tablespoons canola oil
• 3 cups shredded cabbage
• 1 medium sweet red pepper, julienned
• 1 medium onion, halved and sliced
• 2 teaspoons sugar
• 1 can (15 ounces) black beans, rinsed and drained
• 1 cup salsa
• 1 can (4 ounces) chopped green chiles
• 1 teaspoon minced garlic
• 1 teaspoon chili powder
• 1/4 teaspoon ground cumin
• 8 taco shells, warmed
• 1/2 cup shredded cheddar cheese
• 1 medium ripe avocado, peeled and sliced