1. Cook the noodles: Boil water in a pot and cook the rice noodles according to package instructions. Once cooked, drain and set aside.

2. Make the sauce: In a separate pot, heat some oil over medium heat. Add minced garlic and cook until fragrant. Add the shrimp paste and annatto powder, then stir until well combined.

3. Add the broth: Slowly pour in the shrimp broth or chicken broth while stirring constantly. Let it simmer for a few minutes until the sauce thickens.

4. Add the toppings: Add the cooked shrimp, ground pork, and tofu to the sauce. Stir well to combine.

5. Assemble: Place the cooked rice noodles on a serving platter. Pour the sauce mixture over the noodles and top with crushed chicharon, sliced boiled eggs, chopped scallions, and calamansi or lemon wedges.

6. Serve hot: Pansit palabok is best served hot and enjoyed immediately.

7. Optional garnish: You can also add some chopped parsley, sliced red onions, and more crushed chicharon on top for additional flavor and texture. Enjoy your delicious homemade pansit palabok!