Hello Amaka. Cooking long grain rice so that every grain remains distinct and fluffy is all about managing surface starch and steam.
First, the most crucial step to prevent stickiness is rinsing. Place your long grain rice in a fine-mesh sieve and rinse it thoroughly under cold tap water, gently agitating the grains with your fingers until the water running underneath is completely clear. This washes away excess amylopectin starch that causes clumping.
For standard long grain white rice on the stovetop, the ideal ratio is 1 cup of rinsed rice to 1.75 cups of water, along with half a teaspoon of salt and an optional teaspoon of butter or neutral oil.
Combine the rinsed rice, water, salt, and oil in a heavy-bottomed saucepan. Bring the mixture to a rolling boil over medium-high heat without a lid. As soon as it boils, stir it once gently, cover the pot with a tight-fitting lid, and turn the heat down to the lowest setting. Let it simmer undisturbed for 15 minutes. It is vital that you do not lift the lid during this time, as escaping steam will disrupt the even cooking.
After 15 minutes, turn off the heat completely and leave the pot on the cold burner with the lid firmly on for another 10 minutes. This resting phase allows the residual steam to redistribute throughout the pot, setting the texture.
Finally, remove the lid and gently fluff the rice using a fork rather than a spoon to avoid crushing the grains.
Regarding your garden vegetables, it is best to cook them separately. Sauté or steam your fresh vegetables in a separate pan until tender-crisp, and then gently fold them into the cooked rice right after fluffing. If you cook raw vegetables directly in the pot with the rice, their natural juices will release extra moisture and make the rice soggy. I hope this helps you achieve perfect, fluffy rice every time.