Heat a splash of oil in a saucepan. Add onions, garlic, minced meat, salt, pepper and cook until the minced beef is brown. Pour in chopped tomatoes and stir well. Add dry basil and more salt and pepper to taste.
Leave to cook for 10-12 minutes on a medium heat. Add sweetcorn, black beans and stir well. Leave to simmer on a low heat for 2 minutes and set aside.
Remove the stems from the zucchinis, slice each zucchini lengthwise and remove the seeds from the center. Lightly coat the inside of each zucchini with olive oil and season with salt and pepper. Cook the zucchinis on a heated grill for 10-12 minutes (face down). Remove from the heat and leave to cool.
Add the minced beef sauce to the center of each zucchini and add a drizzle of Greek yogurt.
Notes
Ground beef: You can also use ground turkey, pork or chicken instead of ground beef and follow the same recipe.Seasoning: Feel free to adjust the beef filling to suit your taste. Add any additional seasonings of your choice, such as basil, paprika, and more.Storage: This appetizer is best eaten fresh.