Huevos Rancheros with Pork Carnitas

Ingredients

• 2 lbs pork shoulder (trimmed)
• 1 onion (coarsely chopped)
• 4 cloves garlic
• 1 tbsp chili powder
• 1 tsp ground cumin
• 1 tsp dried oregano
• 1 tsp salt
• 1/4 tsp black pepper
• 2 cups chicken broth
• 2 tbsp vegetable oil
• 4 corn tortillas (small)
• 4 eggs (large, )
• 1 cup refried beans
• 1/2 cup shredded cheddar cheese
• 1/4 cup cilantro (chopped fresh)
• 1/4 cup diced tomatoes
• 1/4 cup red onion (diced)
• avocado (sliced, for serving)