Chipotle Tofu & Pineapple Skewers

Name: Chipotle Tofu & Pineapple Skewers
Cook time: 1 h 40 min
Total time: 1 h 40 min
Cuisine: American
Ingredients: 1 lb. firm or extra-firm tofu, drained and cut into 1" cubes; 3 guajillo chiles, stems and seeds removed and torn into small pieces; 1 cup boiling water; 1/2 medium white onion, chopped; 1/4 c. white vinegar; 4 garlic cloves; 1 tbsp. annatto paste (also called achiote paste); 1 chopped chipotle chili en adobo (2 ½ tsp. from 1 can); 2 tsp. dried oregano; 1 1/2 tsp. granulated sugar; 1/4 c. extra-virgin olive oil; 3 c. pineapple chunks (cut into 1" cubes); Lime wedges, for serving