Given step-by-step instructions for a recipe, edit them for clarity and brevity.
Step 1: Preheat oven to 375 degrees

Step 2: Grease a 9x13 inch casserole dish

Step 3: Place onions, garlic and potatoes in the greased casserole dish

Step 4: Sprinkle olive oil over the potatoes and season with salt and pepper
1. Preheat oven to 375°F.
2. Grease 9x13" casserole dish.
3. Add onions, garlic, and potatoes to dish.
4. Drizzle with olive oil, then season with salt and pepper.
Complete the following task based on the instruction and optional input provided.### Instruction:
Given step-by-step instructions for a recipe, edit them for clarity and brevity.

### Input:
Step 1: Preheat oven to 375 degrees

Step 2: Grease a 9x13 inch casserole dish

Step 3: Place onions, garlic and potatoes in the greased casserole dish

Step 4: Sprinkle olive oil over the potatoes and season with salt and pepper

### Output:
1. Preheat oven to 375°F.
2. Grease 9x13" casserole dish.
3. Add onions, garlic, and potatoes to dish.
4. Drizzle with olive oil, then season with salt and pepper.