Vegetarian Chili

Ingredients

• 2 Tbsp. olive or vegetable oil
• 1 c. chopped onion
• 1/2 c. chopped green bell pepper
• 1/2 c. chopped celery
• 2 minced cloves garlic
• 1 (16 oz.) can chopped or crushed tomatoes
• 1 (15 oz.) can kidney beans, drained
• 1 (15 oz.) can garbanzo beans, rinsed and drained
• 1 (11 oz.) can whole kernel corn (vacuum packed or drained)
• 1/2 c. grated Cheddar or Swiss cheese
• 1 (8 oz.) can tomato sauce
• 1 (8 oz.) can mushroom pieces, drained
• 2 Tbsp. chili powder
• 2 tsp. cumin
• 1/2 tsp. dried oregano or basil leaves
• 3 Tbsp. Worcestershire sauce
• 1/8 tsp. cayenne pepper or 3 to 4 drops hot pepper sauce
• 1 avocado, peeled and sliced