Easy ziti with crab tomato sauce recipe

Ingredients

• 1/4 cup olive oil
• 1 onion, chopped
• 2 cloves garlic, minced
• 2 (28 ounce) cans peeled tomatoes
• 1 (8 ounce) can tomato paste
• 1 teaspoon salt
• 1 teaspoon pepper
• 1 teaspoon Italian seasoning
• 1 pound cooked crab meat
• 1 pound dry ziti pasta (one box)