In a large skillet, heat olive oil over medium-high heat.
Add ground beef and garlic. Use a wooden spoon to break up the ground beef while it cooks. Stir occasionally and cook for about 7 minutes. Set aside.
Add onions and red bell pepper to the same skillet. Cook for 3-4 minutes or until the onions are soft. If it is necessary, add a little bit of olive oil to help sauté the veggies.
Add the zucchini and asparagus cook for 3-5 minutes. It depends on how tender you prefer your veggies.
Add the ground beef to skillet again and mix everything together.
Add the Dijon, tomato passata, oregano, crushed red pepper, salt and pepper to taste. And cook for 1-2 minutes more.