In the slow cooker add the chunk feta cheese in the center. Arrange the tomatoes, garlic and olives around the feta cheese.
8 ounce chunk feta cheese, 2 cups cherry tomatoes, 4 cloves peeled garlic, 1/2 cup kalamata olives, pitted, 1/2 cup green olives, pitted
Drizzle with olive oil, and season with salt and pepper. Place the oregano stem on top.
1/4 cup extra virgin olive oil, 1/2 teaspoon salt, to taste, 3/4 teaspoon pepper, to taste, 2 springs fresh oregano
Cover, and cook on high for 1 1/2 hours.
Cook pasta according to package instructions. Drain, reserving 1 cup of the pasta water.
1 pound pasta, cooked
Once the tomato and feta mixture is complete, remove the oregano and give everything a good mix. Gently press down the tomatoes to release the juices.
Mix in cooked pasta and fresh spinach, pour in with the reserved pasta water as needed if the noodles seem dry.
6 ounces fresh baby spinach
Serve warm.