In a medium bowl, whisk together olive oil, broth or juice substitute, paprika, garlic, salt, and black pepper.
Add the shrimp and toss until fully coated. Set aside.
Place the beef sausage into the rice cooker, followed by red bell pepper and onion.
Add rice, red pepper flakes, salt, and black pepper.
Pour in 3 cups of water.
Arrange the shrimp on top, ensuring all the garlic mixture is added.
Close the lid and cook using standard rice cooker settings (about 30–35 minutes).
If shrimp cook faster, remove them and continue cooking the rice until done.
Stir parsley and lemon juice into the rice mixture.
Serve rice in bowls, top with shrimp, and garnish with parsley and lemon slices.