Preheat oven to 350°F.
Add the canola oil to a large skillet (12”). Heat over medium heat and add the diced onions. Cook until translucent then add the ground beef.
Cook until no pink remains and drain the excess liquid.
Add the minced garlic and cook until aromatic (usually about 2 minutes).
Add the tomato paste and cook about 5 minutes.
Add the Ranch Style Beans (with the juice), the can of diced chilies and tomatoes (with the juice) and the chicken broth.
Add the chili powder and cumin and cook on a medium-low simmer for 15 minutes.
Do a taste test to check the seasoning is to your liking. Salt and pepper as preferred.
Stir in the sour cream and transfer to a casserole dish (9x13).
Top with the shredded cheese and Fritos corn chips last.
Bake in the oven for about 20 minutes.
Remove from oven and top with your choice of garnish.