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Dinner · Part 1 of 3: Ingredients

Easy Slow Cooker Pork Roast with Tomato and Olives

A white plate topped with shredded pork in a rich tomato and olive sauce over penne pasta.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Discover how effortless a gourmet-style dinner can be with this slow cooker pork roast. By layering simple, high-quality ingredients, you create a complex, savory sauce that perfectly complements the tender, slow-cooked meat. It is the ultimate solution for a stress-free evening when you want a hearty meal without standing over the stove for hours.

This recipe relies on the magic of slow cooking to transform a humble pork rouelle into a succulent, melt-in-your-mouth centerpiece. The combination of sweet yellow onions, briny green olives, and aromatic oregano creates a Mediterranean-inspired flavor profile that is both comforting and sophisticated.

Because the ingredients cook together in one vessel, the flavors meld beautifully, ensuring that every bite of the shredded pork is infused with the rich, tangy tomato sauce. It is a straightforward approach to a classic dish that delivers consistent results every time, making it an ideal choice for busy weeknights or relaxed weekend dinners.

Ingredients

Makes 4 servings · serves 4
  • 1 lb pork rouelle
  • 1 medium yellow onion, sliced
  • 1/2 cup pitted green olives
  • 1 tsp dried oregano
  • 14 oz crushed tomatoes

Why this recipe works

The slow cooking method works by breaking down the connective tissues in the pork over an extended period. This process ensures the meat becomes incredibly tender and flavorful, while the tomato acidity helps to gently soften the muscle fibers.

By cooking in a sealed environment, moisture is retained, resulting in a succulent final dish that remains juicy throughout the extended cooking time.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

Layering the ingredients allows for a controlled release of flavors. The onions and olives at the bottom provide a base that infuses the meat from below, while the tomatoes and oregano on top create a fragrant seal.

This layering technique prevents the pork from drying out and ensures that the aromatics are evenly distributed throughout the sauce as the tomatoes break down and release their juices.

Notes and substitutions

A pork rouelle is a traditional cut, but if it is unavailable, a pork shoulder or pork butt cut into large, uniform chunks is an excellent substitute. These cuts have enough fat to remain tender during the long cooking cycle. Avoid using leaner cuts like pork loin or tenderloin, as they will dry out significantly during an eight-hour cook and will not provide the same shredded texture.

The choice of olives is important for the flavor balance. Pitted green olives work best because they provide a necessary saltiness and acidity that cuts through the richness of the pork.

If green olives are too sharp for your preference, you can use Kalamata olives for a milder, earthier flavor. Ensure the slow cooker is not overfilled, as the ingredients need some space to release their juices effectively.

  • pork rouelle: pork shoulder or pork butt cut into large chunks
  • crushed tomatoes: canned diced tomatoes blended until smooth

Equipment

  • Slow cooker
  • Cutting board
  • Chef knife
  • Measuring cups
  • Measuring spoons

Coming up in Part 2: the method

  1. Assembly of Ingredients · 1 stepPrepare the Slow Cooker
  2. Seasoning and Liquid Addition · 1 stepSeason and Add Tomatoes
  3. Slow Cooking and Final Shredding · 1 stepSlow Cook and Serve

Up next · Part 2 of 3

3 steps · 8 h of cooking · what to look for at each stage

Step-by-step instructions (Part 2)