A smoky black bean, rice and veggie mixture is the perfect filling for these smoky, Southwestern-style avocado cups. Serve them as they are, or with chips for scooping.
Heat a small, heavy-bottom skillet over medium heat. Add the cumin seeds and toast, stirring frequently, until they're fragrant and just turning golden-brown. This may take anywhere from 45 seconds to 3 minutes depending on the pan and your stove. Make sure to watch the seeds carefully so they don't burn (a little smoke is normal). Set the cumin seeds aside.
Cut the avocados in half, removing the pits. Using a small knife, carefully scoop out the flesh from the middle of each avocado half, leaving a little bit of avocado around the sides. You may need a small spoon to help lift the avocado flesh out of the skin.
Arrange the avocado "shells" on a serving plate, and cover them with an upside-down mixing bowl or plastic wrap. Set aside.
Place the avocado flesh on a cutting board and dice gently, being careful not to mash. Set the diced avocado flesh aside and cover it with plastic wrap or an upside-down mixing bowl to prevent browning.
Heat 1 tablespoon of oil in a large skillet over medium-high heat. Sauté the onion until soft and beginning to brown, 3 to 5 minutes. Add zucchini and pinch of sea salt into the pan and sauté until the zucchini just browns, about 3 minutes. Add the bell pepper and sauté until slightly soft, about 3 minutes. Add the oregano, paprika, beans, rice, chipotle pepper and adobo sauce, and half of the toasted cumin seeds to the pan, stir and adjust heat to low, cooking until heated through. (If the pan gets too dry, add a little water or a squeeze of lime juice.)
Spoon about 1 tablespoon of the rice mixture into each of the 8 avocado shells, until the mixture is about level with the top of the shell (you might have extra rice). Top each shell with about 1 tablespoon of diced avocado, then sprinkle with tomato until they're all filled just above the shell.
Drizzle the avocado cups evenly with the remaining avocado oil, then sprinkle them with the remaining cumin seeds and coarse salt to taste. Garnish with cilantro if desired, and serve alongside lime wedges that can be squeezed onto the cups and chips for scooping (optional).
Notes
You can make this recipe less smoky by using regular paprika (not smoked) and omitting or decreasing the amount of chipotle pepper and adobo sauce. We used a smoked Himalayan sea salt to garnish, but regular coarse salt will work just fine. Toasted cumin seeds adds a deeper, earthier flavor than ground cumin—and a little bit of crunch at the end!
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