Step 1:
In a large pan over medium heat, heat oil. Add onion, stirring occasionally, until softened for approximately 7 minutes. Stir in garlic and tomato paste and cook, stirring, until fragrant for about 1 minute. Add ground beef and cook, ensuring to break up the meat with a wooden spoon, until fully cooked through (approximately 6 minutes).

Step 2:
Stir in rice and diced tomatoes, season with oregano, salt, and pepper. Let simmer ensuring to stir occasionally, until liquid has been slightly reduced (approximately 5 minutes).

Step 3:
Arrange capsicum cut side up in a baking dish and drizzle with oil. Carefully spoon beef mixture into each capsicum. Top with cheese and cover with foil.

Step 4:
Place capsicums into your Euro Oven and bake until tender, approximately 35 minutes. In the last 10 minutes, uncover and continue to bake until cheese is golden and bubbly.

Step 5:
Top with parsley before serving and enjoy!