Heat 1T olive oil over med heat in a saute pan.
Add 1/2 of a chopped onion & cook, stirring, ~4mins.
Add 1 chopped jalapeno + 3 minced garlic cloves + 1T ancho chili powder + 1/2T chipotle powder + 1tsp cumin + 1tsp oregano + 1/4tsp cayenne and cook an additional minute
Add 15oz fire roasted diced tomatoes and stir until it reaches a light boil.
Turn heat to low and simmer 5-6 mins. Stir in 8oz chicken broth and simmer 2 mins.
Turn heat off and stir in cilantro & juice of 1 lime. Transfer to a blender & blend on low for about 30-60 seconds or until desired consistency. Divide into two freezer containers or bags and store in freezer.
When ready to use, defrost ranchero sauce in fridge for 24-48 hours.
Enjoy on eggs, tacos, rice bowls, roasted veggies, or as a dip.