Preheat and Prepare:

• Preheat your oven to 375°F (190°C).
• Grease a baking dish lightly with oil.

Cook the Bacon:

• In a large skillet over medium heat, cook the bacon until crispy.
• Remove and drain on paper towels. Once cool, crumble into pieces.

Cook the Beef:

• In the same skillet, add olive oil if needed and sauté the chopped onion and minced garlic until translucent.
• Add the ground beef and cook until browned. Season with oregano, salt, and pepper.

Combine Cheese Mixture:

• In a bowl, mix together the sour cream, cream cheese, and heavy cream until smooth.

Assemble the Casserole:

• In the prepared baking dish, layer half of the beef mixture on the bottom.
• Spread half of the cheese mixture over the beef.
• Sprinkle half of the shredded cheddar cheese over the cheese mixture.
• Repeat layers: remaining beef, cheese mixture, and shredded cheese.

Top with Bacon:

• Sprinkle the crumbled bacon over the top layer of cheese.

Bake:

• Place in the oven and bake for about 20–25 minutes, or until the cheese is bubbly and golden brown.

Serve:

• Garnish with fresh thyme or parsley if desired. Serve hot.