Slow Cooker Spinach Marinara Sauce

1/4 cup olive oil

1 onion, chopped

5 cloves garlic, minced

1/3 cup grated carrot

1 (10 ounce) package frozen chopped spinach, thawed and drained

2 2/3 (6 ounce) cans tomato paste

1 (4.5 ounce) can sliced mushrooms, drained

2 tablespoons salt

2 tablespoons dried oregano

2 tablespoons dried basil

2 1/2 tablespoons crushed red pepper

2 bay leaves

1 (28 ounce) can peeled and crushed tomatoes, with liquid

What You Need