Black Bean Skillet Dinner

For the Lime Crema:

• lime zest of 1
• 1 clove garlic minced
• 1 cup Greek yogurt or sour cream
• Pinch kosher salt

For the Pickled Onions:

• lime juice of 1
• 1 onion very thinly sliced, small; red variety
• 1 teaspoon granulated sugar
• 1/4 teaspoon kosher salt

For the Beans:

• 1 1/2 tablespoons olive oil
• 1 onion diced, small, yellow
• 1/2 red bell pepper seeded and diced (about 1/2 cup
• 1/2 green bell pepper seeded and diced (about 1/2 cup
• 1 jalapeno pepper seeded and finely chopped, small
• 1 clove garlic minced
• 2 teaspoons oregano dried
• 1 teaspoon chili powder
• 2 black beans 15 oz cans, rinsed and drained
• 1 diced tomatoes 15 oz can with their juices
• 1 teaspoon kosher salt
• avocado fresh cilantro leaves-for serving, sliced