Aztec Pie

Ingredients

• 2 c. chopped onion (2 large)
• 1 Tbsp. vegetable oil
• 2 cloves garlic finely chopped
• 1 lb. lean ground beef
• 2 Tbsp. chili powder
• 1 Tbsp. sugar
• 1 tsp. ground cumin
• 1 tsp. leaf oregano
• 1/4 tsp. salt
• 1/4 tsp. pepper
• 1/8 tsp. ground cinnamon
• 1 (16 oz.) can whole tomatoes, undrained
• 1 (4 oz.) can chopped mild green chilies, undrained
• 1 (8 oz.) bag unsalted tortilla chips
• 1 c. sliced green onion
• 1 c. grated Cheddar cheese
• 1 c. grated Monterey Jack cheese